CVE-2005-2451

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2005-08-03 · updated 2026-06-16

Description

Cisco IOS 12.0 through 12.4 and IOS XR before 3.2, with IPv6 enabled, allows remote attackers on a local network segment to cause a denial of service (device reload) and possibly execute arbitrary code via a crafted IPv6 packet.

Affected products

Cisco IOS: 12.0s, 12.0sl, 12.0st, 12.0sy, 12.1xu, 12.1xv (+140)
Cisco IOS XR Software: 3.0.1, 3.1.0

References

http://archives.neohapsis.com/archives/fulldisclosure/2005-07/0663.html
http://secunia.com/advisories/16272
http://securitytracker.com/id?1014598
http://www.cisco.com/warp/public/707/cisco-sa-20050729-ipv6.shtml
http://www.kb.cert.org/vuls/id/930892
http://www.osvdb.org/18332
http://www.securityfocus.com/bid/14414
http://www.us-cert.gov/cas/techalerts/TA05-210A.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/21591
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5445
http://archives.neohapsis.com/archives/fulldisclosure/2005-07/0663.html
http://secunia.com/advisories/16272

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