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CVE-2008-1153
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…
- 7.1HighCVSS base score
- 5.6%Exploitation in 30 daysEPSS · top 7.0% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By cisco
- 22 days later
· 22 days later
Published
- 16 years later
· 16 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.1 | AV:N/AC:M/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 5.6% · top 7.0% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
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)
- EUVD EUVD-2008-1162 (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
[](https://cveledger.app/cve/CVE-2008-1153)Record last updated .