Vulnerabilities (CVE)

Filtered by vendor Cisco Subscribe
Filtered by product Ios
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2010-2833 1 Cisco 2 Ios, Ios Xe 2010-09-24 7.8 HIGH N/A
Unspecified vulnerability in the NAT for H.225.0 implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1 allows remote attackers to cause a denial of service (device reload) via transit traffic, aka Bug ID CSCtd86472.
CVE-2010-2831 1 Cisco 2 Ios, Ios Xe 2010-09-24 7.8 HIGH N/A
Unspecified vulnerability in the NAT for SIP implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1 allows remote attackers to cause a denial of service (device reload) via transit traffic on UDP port 5060, aka Bug ID CSCtf17624.
CVE-2010-2827 1 Cisco 1 Ios 2010-08-20 7.8 HIGH N/A
Cisco IOS 15.1(2)T allows remote attackers to cause a denial of service (resource consumption and TCP outage) via spoofed TCP packets, related to embryonic TCP connections that remain in the SYN_RCVD or SYN_SENT state, aka Bug ID CSCti18193.
CVE-2010-0584 1 Cisco 1 Ios 2010-07-13 7.8 HIGH N/A
Unspecified vulnerability in Cisco IOS 12.4, when NAT SCCP fragmentation support is enabled, allows remote attackers to cause a denial of service (device reload) via crafted Skinny Client Control Protocol (SCCP) packets, aka Bug ID CSCsy09250.
CVE-2010-0582 1 Cisco 1 Ios 2010-04-13 7.8 HIGH N/A
Cisco IOS 12.1 through 12.4, and 15.0M before 15.0(1)M1, allows remote attackers to cause a denial of service (interface queue wedge) via malformed H.323 packets, aka Bug ID CSCta19962.
CVE-2010-0579 1 Cisco 1 Ios 2010-04-13 7.8 HIGH N/A
The SIP implementation in Cisco IOS 12.3 and 12.4 allows remote attackers to cause a denial of service (device reload) via a malformed SIP message, aka Bug ID CSCtb93416, the "SIP Message Handling Denial of Service Vulnerability."
CVE-2010-0580 1 Cisco 1 Ios 2010-04-13 10.0 HIGH N/A
Unspecified vulnerability in the SIP implementation in Cisco IOS 12.3 and 12.4 allows remote attackers to execute arbitrary code via a malformed SIP message, aka Bug ID CSCsz48680, the "SIP Message Processing Arbitrary Code Execution Vulnerability."
CVE-2010-0581 1 Cisco 1 Ios 2010-04-13 10.0 HIGH N/A
Unspecified vulnerability in the SIP implementation in Cisco IOS 12.3 and 12.4 allows remote attackers to execute arbitrary code via a malformed SIP message, aka Bug ID CSCsz89904, the "SIP Packet Parsing Arbitrary Code Execution Vulnerability."
CVE-2010-0585 1 Cisco 1 Ios 2010-04-01 7.8 HIGH N/A
Cisco IOS 12.1 through 12.4, when Cisco Unified Communications Manager Express (CME) or Cisco Unified Survivable Remote Site Telephony (SRST) is enabled, allows remote attackers to cause a denial of service (device reload) via a malformed Skinny Client Control Protocol (SCCP) message, aka Bug ID CSCsz48614, the "SCCP Packet Processing Denial of Service Vulnerability."
CVE-2009-2872 1 Cisco 1 Ios 2009-10-01 6.8 MEDIUM N/A
Cisco IOS 12.0 through 12.4, when IP-based tunnels and the Cisco Express Forwarding feature are enabled, allows remote attackers to cause a denial of service (device reload) via a malformed packet that is not properly handled during switching from one tunnel to a second tunnel, aka Bug IDs CSCsh97579 and CSCsq31776.
CVE-2009-2873 1 Cisco 1 Ios 2009-10-01 7.1 HIGH N/A
Cisco IOS 12.0 through 12.4, when IP-based tunnels and the Cisco Express Forwarding feature are enabled, allows remote attackers to cause a denial of service (device reload) via malformed packets, aka Bug ID CSCsx70889.
CVE-2009-2870 1 Cisco 1 Ios 2009-10-01 7.8 HIGH N/A
Unspecified vulnerability in Cisco IOS 12.2 through 12.4, when the Cisco Unified Border Element feature is enabled, allows remote attackers to cause a denial of service (device reload) via crafted SIP messages, aka Bug ID CSCsx25880.
CVE-2009-2868 1 Cisco 1 Ios 2009-10-01 7.8 HIGH N/A
Unspecified vulnerability in Cisco IOS 12.2 through 12.4, when certificate-based authentication is enabled for IKE, allows remote attackers to cause a denial of service (Phase 1 SA exhaustion) via crafted requests, aka Bug IDs CSCsy07555 and CSCee72997.
CVE-2009-2871 1 Cisco 1 Ios 2009-10-01 7.8 HIGH N/A
Unspecified vulnerability in Cisco IOS 12.2 and 12.4, when SSLVPN sessions, SSH sessions, or IKE encrypted nonces are enabled, allows remote attackers to cause a denial of service (device reload) via a crafted encrypted packet, aka Bug ID CSCsq24002.
CVE-2008-5230 1 Cisco 1 Ios 2008-12-03 6.8 MEDIUM N/A
The Temporal Key Integrity Protocol (TKIP) implementation in unspecified Cisco products and other vendors' products, as used in WPA and WPA2 on Wi-Fi networks, has insufficient countermeasures against certain crafted and replayed packets, which makes it easier for remote attackers to decrypt packets from an access point (AP) to a client and spoof packets from an AP to a client, and conduct ARP poisoning attacks or other attacks, as demonstrated by tkiptun-ng.
CVE-2007-5549 1 Cisco 1 Ios 2008-11-15 2.1 LOW N/A
Unspecified vulnerability in Command EXEC in Cisco IOS allows local users to bypass command restrictions and obtain sensitive information via an unspecified "variation of an IOS command" involving "two different methods", aka CSCsk16129. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from a well-known researcher, it is being assigned a CVE identifier for tracking purposes.
CVE-2007-5547 1 Cisco 1 Ios 2008-11-15 4.3 MEDIUM N/A
Cross-site scripting (XSS) vulnerability in Cisco IOS allows remote attackers to inject arbitrary web script or HTML, and execute IOS commands, via unspecified vectors, aka PSIRT-2022590358. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from a well-known researcher, it is being assigned a CVE identifier for tracking purposes.
CVE-2007-5548 1 Cisco 1 Ios 2008-11-15 6.9 MEDIUM N/A
Multiple stack-based buffer overflows in Command EXEC in Cisco IOS allow local users to gain privileges via unspecified vectors, aka (1) PSIRT-0474975756 and (2) PSIRT-0388256465. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from a well-known researcher, it is being assigned a CVE identifier for tracking purposes.
CVE-2003-0647 1 Cisco 1 Ios 2008-09-10 7.5 HIGH N/A
Buffer overflow in the HTTP server for Cisco IOS 12.2 and earlier allows remote attackers to execute arbitrary code via an extremely long (2GB) HTTP GET request.
CVE-2000-0345 1 Cisco 7 Ios, Router 2500, Router 2600 and 4 more 2008-09-10 2.1 LOW N/A
The on-line help system options in Cisco routers allows non-privileged users without "enabled" access to obtain sensitive information via the show command.
CVE-2000-0268 1 Cisco 12 3660 Router, 7100 Router, 7200 Router and 9 more 2008-09-10 5.0 MEDIUM N/A
Cisco IOS 11.x and 12.x allows remote attackers to cause a denial of service by sending the ENVIRON option to the Telnet daemon before it is ready to accept it, which causes the system to reboot.
CVE-2000-0380 1 Cisco 1 Ios 2008-09-10 7.1 HIGH N/A
The IOS HTTP service in Cisco routers and switches running IOS 11.1 through 12.1 allows remote attackers to cause a denial of service by requesting a URL that contains a %% string.
CVE-1999-0775 1 Cisco 1 Ios 2008-09-09 10.0 HIGH N/A
Cisco Gigabit Switch routers running IOS allow remote attackers to forward unauthorized packets due to improper handling of the "established" keyword in an access list.
CVE-1999-0445 1 Cisco 1 Ios 2008-09-09 5.0 MEDIUM N/A
In Cisco routers under some versions of IOS 12.0 running NAT, some packets may not be filtered by input access list filters.
CVE-1999-0293 1 Cisco 1 Ios 2008-09-09 7.5 HIGH N/A
AAA authentication on Cisco systems allows attackers to execute commands without authorization.
CVE-1999-0230 1 Cisco 1 Ios 2008-09-09 5.0 MEDIUM N/A
Buffer overflow in Cisco 7xx routers through the telnet service.
CVE-1999-0162 1 Cisco 1 Ios 2008-09-09 5.0 MEDIUM N/A
The "established" keyword in some Cisco IOS software allowed an attacker to bypass filtering.
CVE-1999-0016 6 Cisco, Gnu, Hp and 3 more 8 Ios, Inet, Hp-ux and 5 more 2008-09-09 5.0 MEDIUM N/A
Land IP denial of service.
CVE-1999-0160 1 Cisco 1 Ios 2008-09-09 7.5 HIGH N/A
Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections.
CVE-1999-0063 1 Cisco 1 Ios 2008-09-09 5.0 MEDIUM N/A
Cisco IOS 12.0 and other versions can be crashed by malicious UDP packets to the syslog port.
CVE-1999-0159 1 Cisco 1 Ios 2008-09-09 5.0 MEDIUM N/A
Attackers can crash a Cisco IOS router or device, provided they can get to an interactive prompt (such as a login). This applies to some IOS 9.x, 10.x, and 11.x releases.
CVE-1999-0161 1 Cisco 1 Ios 2008-09-09 7.5 HIGH N/A
In Cisco IOS 10.3, with the tacacs-ds or tacacs keyword, an extended IP access control list could bypass filtering.
CVE-2007-5550 1 Cisco 1 Ios 2008-09-05 5.0 MEDIUM N/A
Unspecified vulnerability in Cisco IOS allows remote attackers to obtain the IOS version via unspecified vectors involving a "common network service", aka PSIRT-1255024833. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from a well-known researcher, it is being assigned a CVE identifier for tracking purposes.
CVE-2007-5552 1 Cisco 1 Ios 2008-09-05 9.3 HIGH N/A
Integer overflow in Cisco IOS allows remote attackers to execute arbitrary code via unspecified vectors. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from a well-known researcher, it is being assigned a CVE identifier for tracking purposes.
CVE-2007-5551 1 Cisco 1 Ios 2008-09-05 7.1 HIGH N/A
Off-by-one error in Cisco IOS allows remote attackers to execute arbitrary code via unspecified vectors that trigger a heap-based buffer overflow. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from a well-known researcher, it is being assigned a CVE identifier for tracking purposes.
CVE-2002-2315 1 Cisco 1 Ios 2008-09-05 7.8 HIGH N/A
Cisco IOS 11.2.x and 12.0.x does not limit the size of its redirect table, which allows remote attackers to cause a denial of service (memory consumption) via spoofed ICMP redirect packets to the router.
CVE-2002-2052 1 Cisco 1 Ios 2008-09-05 5.0 MEDIUM N/A
Cisco 2611 router running IOS 12.1(6.5), possibly an interim release, allows remote attackers to cause a denial of service via port scans such as (1) scanning all ports on a single host and (2) scanning a network of hosts for a single open port through the router. NOTE: the vendor could not reproduce this issue, saying that the original reporter was using an interim release of the software.
CVE-2002-2053 1 Cisco 1 Ios 2008-09-05 5.0 MEDIUM N/A
The design of the Hot Standby Routing Protocol (HSRP), as implemented on Cisco IOS 12.1, when using IRPAS, allows remote attackers to cause a denial of service (CPU consumption) via a router with the same IP address as the interface on which HSRP is running, which causes a loop.
CVE-2002-0339 1 Cisco 1 Ios 2008-09-05 5.0 MEDIUM N/A
Cisco IOS 11.1CC through 12.2 with Cisco Express Forwarding (CEF) enabled includes portions of previous packets in the padding of a MAC level packet when the MAC packet's length is less than the IP level packet length.
CVE-2001-0288 1 Cisco 1 Ios 2008-09-05 7.5 HIGH N/A
Cisco switches and routers running IOS 12.1 and earlier produce predictable TCP Initial Sequence Numbers (ISNs), which allows remote attackers to spoof or hijack TCP connections.
CVE-2000-0700 1 Cisco 4 Gigabit Switch Router 12008, Gigabit Switch Router 12012, Gigabit Switch Router 12016 and 1 more 2008-09-05 5.0 MEDIUM N/A
Cisco Gigabit Switch Routers (GSR) with Fast Ethernet / Gigabit Ethernet cards, from IOS versions 11.2(15)GS1A up to 11.2(19)GS0.2 and some versions of 12.0, do not properly handle line card failures, which allows remote attackers to bypass ACLs or force the interface to stop forwarding packets.
CVE-1999-1306 1 Cisco 1 Ios 2008-09-05 7.5 HIGH N/A
Cisco IOS 9.1 and earlier does not properly handle extended IP access lists when the IP route cache is enabled and the "established" keyword is set, which could allow attackers to bypass filters.
CVE-1999-1466 1 Cisco 1 Ios 2008-09-05 7.5 HIGH N/A
Vulnerability in Cisco routers versions 8.2 through 9.1 allows remote attackers to bypass access control lists when extended IP access lists are used on certain interfaces, the IP route cache is enabled, and the access list uses the "established" keyword.