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Cisco » IOS : Security Vulnerabilities (CVSS score >= 9)

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2011-4012 2012-05-02 2012-10-29
9.3
None Remote Medium Not required Complete Complete Complete
Cisco IOS 12.0, 15.0, and 15.1, when a Policy Feature Card 3C (PFC3C) is used, does not create a fragment entry during processing of an ICMPv6 ACL, which has unspecified impact and remote attack vectors, aka Bug ID CSCtj90091.
2 CVE-2011-3271 DoS Exec Code 2011-10-03 2012-05-14
10.0
None Remote Low Not required Complete Complete Complete
Unspecified vulnerability in the Smart Install functionality in Cisco IOS 12.2 and 15.1 allows remote attackers to execute arbitrary code or cause a denial of service (device crash) via crafted TCP packets to port 4786, aka Bug ID CSCto10165.
3 CVE-2011-0935 310 Bypass 2011-04-14 2011-04-20
10.0
None Remote Low Not required Complete Complete Complete
The PKI functionality in Cisco IOS 15.0 and 15.1 does not prevent permanent caching of certain public keys, which allows remote attackers to bypass authentication and have unspecified other impact by leveraging an IKE peer relationship in which a key was previously valid but later revoked, aka Bug ID CSCth82164, a different vulnerability than CVE-2010-4685.
4 CVE-2010-1574 264 +Info 2010-07-08 2010-07-27
10.0
None Remote Low Not required Complete Complete Complete
IOS 12.2(52)SE and 12.2(52)SE1 on Cisco Industrial Ethernet (IE) 3000 series switches has (1) a community name of public for RO access and (2) a community name of private for RW access, which makes it easier for remote attackers to modify the configuration or obtain potentially sensitive information via SNMP requests, aka Bug ID CSCtf25589.
5 CVE-2010-0581 Exec Code 2010-03-25 2010-04-13
10.0
None Remote Low Not required Complete Complete Complete
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."
6 CVE-2010-0580 Exec Code 2010-03-25 2010-04-13
10.0
None Remote Low Not required Complete Complete Complete
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."
7 CVE-2007-5552 189 Exec Code Overflow 2007-10-18 2008-09-05
9.3
Admin Remote Medium Not required Complete Complete Complete
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.
8 CVE-2007-5381 119 Exec Code Overflow 2007-10-11 2008-11-15
9.3
None Remote Medium Not required Complete Complete Complete
Stack-based buffer overflow in the Line Printer Daemon (LPD) in Cisco IOS before 12.2(18)SXF11, 12.4(16a), and 12.4(2)T6 allow remote attackers to execute arbitrary code by setting a long hostname on the target system, then causing an error message to be printed, as demonstrated by a telnet session to the LPD from a source port other than 515.
9 CVE-2007-4292 DoS 2007-08-09 2009-03-04
9.3
Admin Remote Medium Not required Complete Complete Complete
Multiple memory leaks in Cisco IOS 12.0 through 12.4 allow remote attackers to cause a denial of service (device crash) via a malformed SIP packet, aka (1) CSCsf11855, (2) CSCeb21064, (3) CSCse40276, (4) CSCse68355, (5) CSCsf30058, (6) CSCsb24007, and (7) CSCsc60249.
10 CVE-2007-4286 119 DoS Exec Code Overflow 2007-08-09 2009-03-04
9.3
None Remote Medium Not required Complete Complete Complete
Buffer overflow in the Next Hop Resolution Protocol (NHRP) functionality in Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service (restart) and execute arbitrary code via a crafted NHRP packet.
11 CVE-2007-4285 DoS +Info 2007-08-09 2009-03-04
9.0
None Remote Low Not required Partial Partial Complete
Unspecified vulnerability in Cisco IOS and Cisco IOS XR 12.x up to 12.3, including some versions before 12.3(15) and 12.3(14)T, allows remote attackers to obtain sensitive information (partial packet contents) or cause a denial of service (router or component crash) via crafted IPv6 packets with a Type 0 routing header.
12 CVE-2007-2586 264 2 Exec Code Overflow 2007-05-09 2012-10-29
9.3
None Remote Medium Not required Complete Complete Complete
The FTP Server in Cisco IOS 11.3 through 12.4 does not properly check user authorization, which allows remote attackers to execute arbitrary code, and have other impact including reading startup-config, as demonstrated by a crafted MKD command that involves access to a VTY device and overflows a buffer, aka bug ID CSCek55259.
13 CVE-2006-4950 2006-09-23 2009-03-04
10.0
Admin Remote Low Not required Complete Complete Complete
Cisco IOS 12.2 through 12.4 before 20060920, as used by Cisco IAD2430, IAD2431, and IAD2432 Integrated Access Devices, the VG224 Analog Phone Gateway, and the MWR 1900 and 1941 Mobile Wireless Edge Routers, is incorrectly identified as supporting DOCSIS, which allows remote attackers to gain read-write access via a hard-coded cable-docsis community string and read or modify arbitrary SNMP variables.
14 CVE-2006-3291 16 2006-06-28 2008-09-05
9.3
Admin Remote Medium Not required Complete Complete Complete
The web interface on Cisco IOS 12.3(8)JA and 12.3(8)JA1, as used on the Cisco Wireless Access Point and Wireless Bridge, reconfigures itself when it is changed to use the "Local User List Only (Individual Passwords)" setting, which removes all security and password configurations and allows remote attackers to access the system.
15 CVE-2005-3481 Exec Code Overflow 2005-11-02 2009-03-04
9.3
Admin Remote Medium Not required Complete Complete Complete
Cisco IOS 12.0 to 12.4 might allow remote attackers to execute arbitrary code via a heap-based buffer overflow in system timers. NOTE: this issue does not correspond to a specific vulnerability, rather a general weakness that only increases the feasibility of exploitation of any vulnerabilities that might exist. Such design-level weaknesses normally are not included in CVE, so perhaps this issue should be REJECTed.
16 CVE-2004-1464 DoS 2004-12-31 2008-09-10
10.0
None Remote Low Not required Complete Complete Complete
Cisco IOS 12.2(15) and earlier allows remote attackers to cause a denial of service (refused VTY (virtual terminal) connections), via a crafted TCP connection to the Telnet or reverse Telnet port.
17 CVE-2003-1398 200 DoS +Info 2003-12-31 2008-09-05
9.3
None Remote Medium Not required Complete Complete Complete
Cisco IOS 12.0 through 12.2, when IP routing is disabled, accepts false ICMP redirect messages, which allows remote attackers to cause a denial of service (network routing modification).
18 CVE-2002-1360 20 DoS Exec Code 2002-12-23 2009-03-04
10.0
Admin Remote Low Not required Complete Complete Complete
Multiple SSH2 servers and clients do not properly handle strings with null characters in them when the string length is specified by a length field, which could allow remote attackers to cause a denial of service or possibly execute arbitrary code due to interactions with the use of null-terminated strings as implemented using languages such as C, as demonstrated by the SSHredder SSH protocol test suite.
19 CVE-2002-1359 20 DoS Exec Code Overflow 2002-12-23 2009-03-04
10.0
Admin Remote Low Not required Complete Complete Complete
Multiple SSH2 servers and clients do not properly handle large packets or large fields, which may allow remote attackers to cause a denial of service or possibly execute arbitrary code via buffer overflow attacks, as demonstrated by the SSHredder SSH protocol test suite.
20 CVE-2002-1358 20 DoS Exec Code 2002-12-23 2009-03-04
10.0
Admin Remote Low Not required Complete Complete Complete
Multiple SSH2 servers and clients do not properly handle lists with empty elements or strings, which may allow remote attackers to cause a denial of service or possibly execute arbitrary code, as demonstrated by the SSHredder SSH protocol test suite.
21 CVE-2002-1357 119 DoS Exec Code Overflow 2002-12-23 2009-03-04
10.0
Admin Remote Low Not required Complete Complete Complete
Multiple SSH2 servers and clients do not properly handle packets or data elements with incorrect length specifiers, which may allow remote attackers to cause a denial of service or possibly execute arbitrary code, as demonstrated by the SSHredder SSH protocol test suite.
22 CVE-2001-0537 287 Exec Code Bypass 2001-07-21 2008-09-05
9.3
Admin Remote Medium Not required Complete Complete Complete
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.
23 CVE-1999-0775 1999-06-10 2008-09-09
10.0
Admin Remote Low Not required Complete Complete Complete
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.
Total number of vulnerabilities : 23   Page : 1 (This Page)
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