CVE-2009-1154 json
Cisco IOS XR 3.8.1 and earlier allows remote attackers to cause a denial of service (process crash) via a long BGP UPDATE message, as demon…
published 2009-08-21 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1154
- cvss
- 3.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
Cisco IOS XR 3.8.1 and earlier allows remote attackers to cause a denial of service (process crash) via a long BGP UPDATE message, as demonstrated by a message with many AS numbers in the AS Path Attribute.
Patch / fix
Exploit prediction
1.34% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 3.3 | AV:N/AC:L/Au:M/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
- Technology feeds
References
-
cisco.com
/en/US/products/products_security_advisory09186a0080af150f.shtml
vendor-advisory, patch
-
securitytracker.com
/id?1022756
vdb-entry
Sources
- CVE List CVE-2009-1154
- NVD CVE-2009-1154
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.