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…

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.

Scores

EPSS (exploitation in 30 days)

5.6% · top 7.1% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (9)

• ADV-2008-1006 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• oval:org.mitre.oval:def:5860 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• cisco-ios-ipv6-dualstack-dos(41475) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• 28461 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• TA08-087B (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
• 1019713 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• VU#936177 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
• 20080326 Cisco IOS User Datagram Protocol Delivery Issue For IPv4/IPv6 Dual-stack Routers (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
• 29507 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2008-1153](https://trackcve.app/badge/CVE-2008-1153.svg)](https://trackcve.app/cve/CVE-2008-1153)

Record last updated 7 Aug 2024, 08:08 UTC.