Vulnerabilities (CVE)

Filtered by vendor F5 Subscribe
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2021-22975 1 F5 14 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Advanced Web Application Firewall and 11 more 2021-02-19 4.3 MEDIUM 7.5 HIGH
On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, and 14.1.x before 14.1.3.1, under some circumstances, Traffic Management Microkernel (TMM) may restart on the BIG-IP system while passing large bursts of traffic. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
CVE-2021-22974 1 F5 15 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Advanced Web Application Firewall and 12 more 2021-02-19 6.0 MEDIUM 7.5 HIGH
On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, and 13.1.x before 13.1.3.6 and all versions of BIG-IQ 7.x and 6.x, an authenticated attacker with access to iControl REST over the control plane may be able to take advantage of a race condition to execute commands with an elevated privilege level. This vulnerability is due to an incomplete fix for CVE-2017-6167. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
CVE-2021-22973 1 F5 10 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Analytics and 7 more 2021-02-18 5.0 MEDIUM 7.5 HIGH
On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.5, and all 12.1.x versions, JSON parser function does not protect against out-of-bounds memory accesses or writes. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
CVE-2021-22977 1 F5 14 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Advanced Web Application Firewall and 11 more 2021-02-18 5.0 MEDIUM 7.5 HIGH
On BIG-IP version 16.0.0-16.0.1 and 14.1.2.4-14.1.3, cooperation between malicious HTTP client code and a malicious server may cause TMM to restart and generate a core file. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
CVE-2021-22982 1 F5 2 Big-ip Domain Name System, Big-ip Global Traffic Manager 2021-02-17 6.5 MEDIUM 7.2 HIGH
On BIG-IP DNS and GTM version 13.1.x before 13.1.0.4, and all versions of 12.1.x and 11.6.x, big3d does not securely handle and parse certain payloads resulting in a buffer overflow. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
CVE-2020-27721 1 F5 2 Big-ip Domain Name System, Big-ip Global Traffic Manager 2020-12-28 4.3 MEDIUM 7.5 HIGH
In versions 16.0.0-16.0.0.1, 15.1.0-15.1.1, 14.1.0-14.1.3, 13.1.0-13.1.3.5, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, in a BIG-IP DNS / BIG-IP LTM GSLB deployment, under certain circumstances, the BIG-IP DNS system may stop using a BIG-IP LTM virtual server for DNS response.
CVE-2020-27720 1 F5 2 Big-ip Carrier-grade Nat, Big-ip Local Traffic Manager 2020-12-28 4.3 MEDIUM 7.5 HIGH
On BIG-IP LTM/CGNAT version 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, and 13.1.0-13.1.3.5, when processing NAT66 traffic with Port Block Allocation (PBA) mode and SP-DAG enabled, and dag-ipv6-prefix-len configured with a value less than the default of 128, an undisclosed traffic pattern may cause the Traffic Management Microkernel (TMM) to restart.
CVE-2020-27715 1 F5 11 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Analytics and 8 more 2020-12-28 7.8 HIGH 7.5 HIGH
On BIG-IP 15.1.0-15.1.0.5 and 14.1.0-14.1.3, crafted TLS request to the BIG-IP management interface via port 443 can cause high (~100%) CPU utilization by the httpd daemon.
CVE-2020-27714 1 F5 1 Big-ip Advanced Firewall Manager 2020-12-28 4.3 MEDIUM 7.5 HIGH
On the BIG-IP AFM version 15.1.0-15.1.0.5, 14.1.0-14.1.3, and 13.1.0-13.1.3.5, when a Protocol Inspection Profile is attached to a FastL4 virtual server with the protocol field configured to either Other or All Protocols, the TMM may experience a restart if the profile processes non-TCP traffic.
CVE-2020-27716 1 F5 1 Big-ip Access Policy Manager 2020-12-28 7.8 HIGH 7.5 HIGH
On versions 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.5, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, when a BIG-IP APM virtual server processes traffic of an undisclosed nature, the Traffic Management Microkernel (TMM) stops responding and restarts.
CVE-2020-27717 1 F5 1 Big-ip Domain Name System 2020-12-28 7.8 HIGH 7.5 HIGH
On BIG-IP DNS 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, and 12.1.0-12.1.5.2, undisclosed series of DNS requests may cause TMM to restart and generate a core file.
CVE-2020-27728 1 F5 2 Big-ip Advanced Web Application Firewall, Big-ip Application Security Manager 2020-12-28 4.3 MEDIUM 7.5 HIGH
On BIG-IP ASM & Advanced WAF versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.3, under certain conditions, Analytics, Visibility, and Reporting daemon (AVRD) may generate a core file and restart on the BIG-IP system when processing requests sent from mobile devices.
CVE-2020-27723 1 F5 1 Big-ip Access Policy Manager 2020-12-28 5.0 MEDIUM 7.5 HIGH
In versions 14.1.0-14.1.3 and 13.1.0-13.1.3.4, a BIG-IP APM virtual server processing PingAccess requests may lead to a restart of the Traffic Management Microkernel (TMM) process.
CVE-2020-5949 1 F5 14 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Advanced Web Application Firewall and 11 more 2020-12-14 5.0 MEDIUM 7.5 HIGH
On BIG-IP versions 14.0.0-14.0.1 and 13.1.0-13.1.3.4, certain traffic pattern sent to a virtual server configured with an FTP profile can cause the FTP channel to break.
CVE-2020-27713 1 F5 1 Big-ip Advanced Firewall Manager 2020-12-14 5.0 MEDIUM 7.5 HIGH
In certain configurations on version 13.1.3.4, when a BIG-IP AFM HTTP security profile is applied to a virtual server and the BIG-IP system receives a request with specific characteristics, the connection is reset and the Traffic Management Microkernel (TMM) leaks memory.
CVE-2019-9514 12 Apache, Apple, Canonical and 9 more 29 Traffic Server, Mac Os X, Swiftnio and 26 more 2020-12-09 7.8 HIGH 7.5 HIGH
Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a denial of service. The attacker opens a number of streams and sends an invalid request over each stream that should solicit a stream of RST_STREAM frames from the peer. Depending on how the peer queues the RST_STREAM frames, this can consume excess memory, CPU, or both.
CVE-2019-6621 1 F5 14 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Analytics and 11 more 2020-11-19 6.5 MEDIUM 7.2 HIGH
On BIG-IP 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.1.4, 12.1.0-12.1.4.1, 11.6.1-11.6.3.4, and 11.5.2-11.5.8 and BIG-IQ 7.0.0-7.1.0.2, 6.0.0-6.1.0, and 5.1.0-5.4.0, an undisclosed iControl REST worker is vulnerable to command injection by an admin/resource admin user. This issue impacts both iControl REST and tmsh implementations.
CVE-2020-5941 1 F5 11 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Analytics and 8 more 2020-11-16 5.0 MEDIUM 7.5 HIGH
On BIG-IP versions 16.0.0-16.0.0.1 and 15.1.0-15.1.0.5, using the RESOLV::lookup command within an iRule may cause the Traffic Management Microkernel (TMM) to generate a core file and restart. This issue occurs when data exceeding the maximum limit of a hostname passes to the RESOLV::lookup command.
CVE-2020-5946 1 F5 2 Big-ip Advanced Web Application Firewall, Big-ip Fraud Protection Service 2020-11-16 5.0 MEDIUM 7.5 HIGH
In BIG-IP Advanced WAF and FPS versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7, under some circumstances, certain format client-side alerts sent to the BIG-IP virtual server configured with DataSafe may cause the Traffic Management Microkernel (TMM) to restart, resulting in a Denial-of-Service (DoS).
CVE-2020-5942 1 F5 1 Big-ip Policy Enforcement Manager 2020-11-16 4.3 MEDIUM 7.5 HIGH
In BIG-IP PEM versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.2.7, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, when processing Capabilities-Exchange-Answer (CEA) packets with certain attributes from the Policy and Charging Rules Function (PCRF) server, the Traffic Management Microkernel (TMM) may generate a core file and restart.
CVE-2020-5945 1 F5 11 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Analytics and 8 more 2020-11-13 8.5 HIGH 8.4 HIGH
In BIG-IP versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7, undisclosed TMUI page contains a stored cross site scripting vulnerability (XSS). The issue allows a minor privilege escalation for resource admin to escalate to full admin.
CVE-2020-5939 1 F5 14 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Advanced Web Application Firewall and 11 more 2020-11-10 4.3 MEDIUM 7.5 HIGH
In versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.3, 15.0.0-15.0.1.3, 14.1.0-14.1.2.6, and 13.1.0-13.1.3.4, BIG-IP Virtual Edition (VE) systems on VMware, with an Intel-based 85299 Network Interface Controller (NIC) card and Single Root I/O Virtualization (SR-IOV) enabled on vSphere, may fail and leave the Traffic Management Microkernel (TMM) in a state where it cannot transmit traffic.
CVE-2020-5937 1 F5 1 Big-ip Advanced Firewall Manager 2020-11-09 7.1 HIGH 7.5 HIGH
On BIG-IP AFM 15.1.0-15.1.0.5, the Traffic Management Microkernel (TMM) may produce a core file while processing layer 4 (L4) behavioral denial-of-service (DoS) traffic.
CVE-2020-5931 1 F5 11 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Analytics and 8 more 2020-11-09 5.0 MEDIUM 7.5 HIGH
On BIG-IP 15.1.0-15.1.0.5, 14.1.0-14.1.2.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, Virtual servers with a OneConnect profile may incorrectly handle WebSockets related HTTP response headers, causing TMM to restart.
CVE-2020-5933 1 F5 11 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Analytics and 8 more 2020-11-09 7.8 HIGH 7.5 HIGH
On versions 15.1.0-15.1.0.5, 14.1.0-14.1.2.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, when a BIG-IP system that has a virtual server configured with an HTTP compression profile processes compressed HTTP message payloads that require deflation, a Slowloris-style attack can trigger an out-of-memory condition on the BIG-IP system.
CVE-2020-5936 1 F5 1 Big-ip Local Traffic Manager 2020-11-09 4.3 MEDIUM 7.5 HIGH
On BIG-IP LTM 15.1.0-15.1.0.5, 14.1.0-14.1.2.7, 13.1.0-13.1.3.4, and 12.1.0-12.1.5.1, the Traffic Management Microkernel (TMM) process may consume excessive resources when processing SSL traffic and client authentication are enabled on the client SSL profile.
CVE-2019-9515 11 Apache, Apple, Canonical and 8 more 23 Traffic Server, Mac Os X, Swiftnio and 20 more 2020-10-22 7.8 HIGH 7.5 HIGH
Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an empty SETTINGS frame is almost equivalent in behavior to a ping. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.
CVE-2019-5436 7 Debian, F5, Fedoraproject and 4 more 11 Debian Linux, Traffix Signaling Delivery Controller, Fedora and 8 more 2020-10-20 4.6 MEDIUM 7.8 HIGH
A heap buffer overflow in the TFTP receiving code allows for DoS or arbitrary code execution in libcurl versions 7.19.4 through 7.64.1.
CVE-2020-5930 1 F5 14 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Analytics and 11 more 2020-10-06 5.0 MEDIUM 7.5 HIGH
In BIG-IP 15.0.0-15.1.0.4, 14.1.0-14.1.2.7, 13.1.0-13.1.3.3, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2 and BIG-IQ 5.2.0-7.1.0, unauthenticated attackers can cause disruption of service via undisclosed methods.
CVE-2020-5913 1 F5 14 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Advanced Web Application Firewall and 11 more 2020-09-30 5.8 MEDIUM 7.4 HIGH
In versions 15.0.0-15.1.0.1, 14.1.0-14.1.2.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2, the BIG-IP Client or Server SSL profile ignores revoked certificates, even when a valid CRL is present. This impacts SSL/TLS connections and may result in a man-in-the-middle attack on the connections.
CVE-2018-16890 8 Canonical, Debian, F5 and 5 more 10 Ubuntu Linux, Debian Linux, Big-ip Access Policy Manager and 7 more 2020-09-18 5.0 MEDIUM 7.5 HIGH
libcurl versions from 7.36.0 to before 7.64.0 is vulnerable to a heap buffer out-of-bounds read. The function handling incoming NTLM type-2 messages (`lib/vauth/ntlm.c:ntlm_decode_type2_target`) does not validate incoming data correctly and is subject to an integer overflow vulnerability. Using that overflow, a malicious or broken NTLM server could trick libcurl to accept a bad length + offset combination that would lead to a buffer read out-of-bounds.
CVE-2018-5390 8 A10networks, Canonical, Cisco and 5 more 40 Advanced Core Operating System, Ubuntu Linux, Collaboration Meeting Rooms and 37 more 2020-09-18 7.8 HIGH 7.5 HIGH
Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service.
CVE-2020-5919 1 F5 1 Big-ip Access Policy Manager 2020-09-02 5.0 MEDIUM 7.5 HIGH
In versions 15.1.0-15.1.0.4, rendering of certain session variables by BIG-IP APM UI-based agents in an access profile configured with Modern customization, may cause the Traffic Management Microkernel (TMM) to stop responding.
CVE-2020-5922 1 F5 14 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Advanced Web Application Firewall and 11 more 2020-09-02 9.3 HIGH 8.8 HIGH
In BIG-IP versions 15.0.0-15.1.0.4, 14.1.0-14.1.2.6, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2, iControl REST does not implement Cross Site Request Forgery protections for users which make use of Basic Authentication in a web browser.
CVE-2020-5926 1 F5 11 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Analytics and 8 more 2020-09-02 5.0 MEDIUM 7.5 HIGH
In BIG-IP versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, and 14.1.0-14.1.2.6, a BIG-IP virtual server with a Session Initiation Protocol (SIP) ALG profile, parsing SIP messages that contain a multi-part MIME payload with certain boundary strings can cause TMM to free memory to the wrong cache.
CVE-2020-5925 1 F5 11 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Analytics and 8 more 2020-08-31 4.3 MEDIUM 7.5 HIGH
In BIG-IP versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.2.6, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, undisclosed internally generated UDP traffic may cause the Traffic Management Microkernel (TMM) to restart under some circumstances.
CVE-2018-5539 1 F5 1 Big-ip Application Security Manager 2020-08-24 5.0 MEDIUM 7.5 HIGH
Under certain conditions, on F5 BIG-IP ASM 13.0.0-13.1.0.7, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1, 11.5.1-11.5.6, or 11.2.1, when processing CSRF protections, the BIG-IP ASM bd process may restart and produce a core file.
CVE-2018-15331 1 F5 1 Big-ip Application Acceleration Manager 2020-08-24 6.8 MEDIUM 7.8 HIGH
On BIG-IP AAM 13.0.0 or 12.1.0-12.1.3.7, the dcdb_convert utility used by BIG-IP AAM fails to drop group permissions when executing helper scripts, which could be used to leverage attacks against the BIG-IP system.
CVE-2018-17539 2 F5, Ipinfusion 3 Big-ip Local Traffic Manager, Ocnos, Zebos 2020-08-24 5.0 MEDIUM 7.5 HIGH
The BGP daemon (bgpd) in all IP Infusion ZebOS versions to 7.10.6 and all OcNOS versions to 1.3.3.145 allow remote attackers to cause a denial of service attack via an autonomous system (AS) path containing 8 or more autonomous system number (ASN) elements.
CVE-2019-6596 1 F5 1 Big-ip Access Policy Manager 2020-08-24 5.0 MEDIUM 7.5 HIGH
In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.1, 12.1.0-12.1.3.6, 11.6.1-11.6.3.2, or 11.5.1-11.5.8, when processing fragmented ClientHello messages in a DTLS session TMM may corrupt memory eventually leading to a crash. Only systems offering DTLS connections via APM are impacted.
CVE-2019-6597 1 F5 14 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Analytics and 11 more 2020-08-24 6.5 MEDIUM 7.2 HIGH
In BIG-IP 13.0.0-13.1.1.1, 12.1.0-12.1.3.7, 11.6.1-11.6.3.2, or 11.5.1-11.5.8 or Enterprise Manager 3.1.1, when authenticated administrative users run commands in the Traffic Management User Interface (TMUI), also referred to as the BIG-IP Configuration utility, restrictions on allowed commands may not be enforced.
CVE-2019-6602 1 F5 13 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Analytics and 10 more 2020-08-24 5.0 MEDIUM 7.5 HIGH
In BIG-IP 11.5.1-11.5.8 and 11.6.1-11.6.3, the Configuration Utility login page may not follow best security practices when handling a malicious request.
CVE-2019-6603 1 F5 13 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Analytics and 10 more 2020-08-24 5.0 MEDIUM 7.5 HIGH
In BIG-IP 11.5.1-11.5.8, 11.6.1-11.6.3, 12.1.0-12.1.3, and 13.0.0-13.0.1, malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service. The control plane is not exposed to this issue. This issue impacts the data plane virtual servers and self IPs.
CVE-2019-6605 1 F5 13 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Analytics and 10 more 2020-08-24 5.0 MEDIUM 7.5 HIGH
On BIG-IP 11.5.1-11.5.8, 11.6.1-11.6.3, and 12.0.x, an undisclosed sequence of packets received by an SSL virtual server and processed by an associated Client SSL or Server SSL profile may cause a denial of service.
CVE-2019-6610 1 F5 1 Big-ip Access Policy Manager 2020-08-24 9.0 HIGH 8.6 HIGH
On BIG-IP versions 14.0.0-14.0.0.4, 13.0.0-13.1.1.1, 12.1.0-12.1.4, 11.6.0-11.6.3.4, and 11.5.1-11.5.8, the system is vulnerable to a denial of service attack when performing URL classification.
CVE-2019-6611 1 F5 13 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Analytics and 10 more 2020-08-24 5.0 MEDIUM 7.5 HIGH
When BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.2-11.5.8 are processing certain rare data sequences occurring in PPTP VPN traffic, the BIG-IP system may execute incorrect logic. The TMM may restart and produce a core file as a result of this condition. The BIG-IP system provisioned with the CGNAT module and configured with a virtual server using a PPTP profile is exposed to this vulnerability.
CVE-2019-6612 1 F5 9 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Application Acceleration Manager and 6 more 2020-08-24 5.0 MEDIUM 7.5 HIGH
On BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.2-11.5.8, DNS query TCP connections that are aborted before receiving a response from a DNS cache may cause TMM to restart.
CVE-2019-6615 1 F5 13 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Analytics and 10 more 2020-08-24 6.5 MEDIUM 7.2 HIGH
On BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.2-11.5.8, Administrator and Resource Administrator roles might exploit TMSH access to bypass Appliance Mode restrictions on BIG-IP systems.
CVE-2019-6616 1 F5 13 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Analytics and 10 more 2020-08-24 6.5 MEDIUM 7.2 HIGH
On BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.2-11.5.8, administrative users with TMSH access can overwrite critical system files on BIG-IP which can result in bypass of whitelist / blacklist restrictions enforced by appliance mode.
CVE-2019-6619 1 F5 8 Big-ip Access Policy Manager, Big-ip Advanced Firewall Manager, Big-ip Application Acceleration Manager and 5 more 2020-08-24 5.0 MEDIUM 7.5 HIGH
On BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, the Traffic Management Microkernel (TMM) may restart when a virtual server has an HTTP/2 profile with Application Layer Protocol Negotiation (ALPN) enabled and it processes traffic where the ALPN extension size is zero.