CVE-1999-1465: Undefined Security Weakness

Vulnerability in Cisco IOS 11.1 through 11.3 with distributed fast switching DFS enabled allows remote attackers to bypass certain access control lists when the router switches traffic from a DFS-enabled input interface to an output interface with a logical subinterface, as described by Cisco bug...

CVE-2001-0711

Cisco IOS 11.x and 12.0 with ATM support allows attackers to cause a denial of service via the undocumented Interim Local Management Interface ILMI SNMP community string...

Cisco IOS vulnerable to DoS via crafted PPTP packet sent to port 1723/tcp

Overview Cisco IOS contains a vulnerability that allows an intruder to crash the router. Description By sending a specially crafted PPTP packet to port 1723, an intruder can crash a device running a vulnerable version of IOS. Quoting from the Cisco Advisory: By sending a crafted PPTP packet to a...

Cisco IOS 12 - UDP Denial of Service

Cisco IOS 12 - UDP Denial of Service source: https://www.securityfocus.com/bid/3096/info A potential denial of service condition may exist in Cisco's IOS firmware. The problem reportedly occurs when a large number of UDP packets are sent to device running IOS. This causes the system to use all...

Cisco IOS 12 - UDP Denial of Service

source: https://www.securityfocus.com/bid/3096/info A potential denial of service condition may exist in Cisco's IOS firmware. The problem reportedly occurs when a large number of UDP packets are sent to device running IOS. This causes the system to use all available CPU resources and thus become...

CVE-2001-0537

HTTP server for Cisco IOS 11.3 to 12.2 allows attackers to bypass authentication and execute arbitrary commands, when local authorization is being used, by specifying a high access level in the URL...

Security Advisory: Cisco IOS PPTP Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Cisco Security Advisory: Cisco IOS PPTP vulnerability Revision 1.0 For Public Release 2001 July 12 08:00 UTC -0800 Summary Point to Point Tunneling Protocol PPTP allows users to tunnel to an Internet Protocol IP network using a Point to Point Protocol PPP. The...

Cisco IOS PPTP Vulnerability

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CVE-2001-1183

PPTP implementation in Cisco IOS 12.1 and 12.2 allows remote attackers to cause a denial of service crash via a malformed packet...

Cisco IOS HTTP Configuration Unauthorized Administrative Access

It is possible to execute arbitrary commands on the remote Cisco router. An attacker may leverage this issue to disable network access via this device or lock legitimate users out of the router. C Tenable Network Security, Inc. include"compat.inc"; ifdescription scriptid10700; scriptversion "1.38...

Cisco IOS 11.x12.x - HTTP Configuration Arbitrary Administrative Access (2)

Cisco IOS 11.x12.x - HTTP Configuration Arbitrary Administrative Access 2 / source: https://www.securityfocus.com/bid/2936/info IOS is router firmware developed and distributed by Cisco Systems. IOS functions on numerous Cisco devices, including routers and switches. It is possible to gain full...

Cisco IOS 11.x12.x - HTTP Configuration Arbitrary Administrative Access (4)

Cisco IOS 11.x12.x - HTTP Configuration Arbitrary Administrative Access 4 source: https://www.securityfocus.com/bid/2936/info IOS is router firmware developed and distributed by Cisco Systems. IOS functions on numerous Cisco devices, including routers and switches. It is possible to gain full...

Cisco IOS HTTP Unauthorized Administrative Access

This module exploits a vulnerability in the Cisco IOS HTTP Server. By sending a GET request for "/level/num/exec/..", where num is between 16 and 99, it is possible to bypass authentication and obtain full system control. IOS 11.3 - 12.2 are reportedly vulnerable. This module tested successfully...

Cisco IOS HTTP server authentication vulnerability allows remote attackers to execute arbitrary commands

Overview A problem with the HTTP server component of Cisco IOS system software allows an intruder to execute privileged commands on Cisco routers if local authentication databases are used. Description By sending a particular URL to a Cisco IOS device with the HTTP server enabled, a remote attack...

Cisco IOS 11.x/12.x - HTTP Configuration Arbitrary Administrative Access (1)

source: https://www.securityfocus.com/bid/2936/info IOS is router firmware developed and distributed by Cisco Systems. IOS functions on numerous Cisco devices, including routers and switches. It is possible to gain full remote administrative access on devices using affected releases of IOS. By...

Cisco IOS 11.x/12.x - HTTP Configuration Arbitrary Administrative Access (2)

/ source: https://www.securityfocus.com/bid/2936/info IOS is router firmware developed and distributed by Cisco Systems. IOS functions on numerous Cisco devices, including routers and switches. It is possible to gain full remote administrative access on devices using affected releases of IOS. By...

Cisco IOS 11.x/12.x - HTTP Configuration Arbitrary Administrative Access (4)

source: https://www.securityfocus.com/bid/2936/info IOS is router firmware developed and distributed by Cisco Systems. IOS functions on numerous Cisco devices, including routers and switches. It is possible to gain full remote administrative access on devices using affected releases of IOS. By...

Cisco IOS HTTP Server ?/ String Local DoS

It was possible to make the remote switch reboot by requesting : GET /cgi-bin/view-source?/ A remote attacker may use this flaw to prevent your network from working properly. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. include'deprecatednasllevel.inc'; include'compat.inc'; if description...

Cisco IOS BGP Attribute Corruption Vulnerability

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Cisco IOS vulnerable to DoS via unrecognized transitive attribute in BGP UPDATE

Overview There is a denial-of-service vulnerability in several specific but common configurations of Cisco IOS. Description There is a problem involving BGP updates on Cisco routers with BGP4 Prefix Filtering and Inbound Route Maps enabled. A route update with an unrecognized transitive attribute...