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Vulnerability record · CVE-2008-1153 · published 27 March 2008

CVE-2008-1153: Cisco ios vulnerability

Cisco · Cisco Ios

Cisco IOS 12.1, 12.2, 12.3, and 12.4, with IPv4 UDP services and the IPv6 protocol enabled, allows remote attackers to cause a denial of service (device crash and possible blocked interface) via a crafted IPv6 packet to the device.

7.1 CVSS 2.0 High EPSS 5.6% · top 7.4%
7.1CVSS 2.0 base score
5.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
18References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Cisco IOS 12.1, 12.2, 12.3, and 12.4, with IPv4 UDP services and the IPv6 protocol enabled, allows remote attackers to cause a denial of service (device crash and possible blocked interface) via a crafted IPv6 packet to the device.

AV:N/AC:M/Au:N/C:N/I:N/A:C

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/29507
http://www.cisco.com/warp/public/707/cisco-sa-20080326-IPv4IPv6.shtml ExploitPatch
http://www.kb.cert.org/vuls/id/936177 US Government Resource
http://www.securityfocus.com/bid/28461
http://www.securitytracker.com/id?1019713
http://www.us-cert.gov/cas/techalerts/TA08-087B.html US Government Resource
http://www.vupen.com/english/advisories/2008/1006/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/41475
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5860
http://secunia.com/advisories/29507
http://www.cisco.com/warp/public/707/cisco-sa-20080326-IPv4IPv6.shtml ExploitPatch
http://www.kb.cert.org/vuls/id/936177 US Government Resource
http://www.securityfocus.com/bid/28461
http://www.securitytracker.com/id?1019713
http://www.us-cert.gov/cas/techalerts/TA08-087B.html US Government Resource
http://www.vupen.com/english/advisories/2008/1006/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/41475
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5860

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2008-1153), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.