CVE-2009-2049 json
Cisco IOS 12.0(32)S12 through 12.0(32)S13 and 12.0(33)S3 through 12.0(33)S4, 12.0(32)SY8 through 12.0(32)SY9, 12.2(33)SXI1 through 12.2(33)…
published 2009-07-30 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2045
- cvss
- 5.4
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
Cisco IOS 12.0(32)S12 through 12.0(32)S13 and 12.0(33)S3 through 12.0(33)S4, 12.0(32)SY8 through 12.0(32)SY9, 12.2(33)SXI1 through 12.2(33)SXI2, 12.2XNC before 12.2(33)XNC2, 12.2XND before 12.2(33)XND1, and 12.4(24)T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to cause a denial of service (device reload) by using an RFC4271 peer to send a malformed update, aka Bug ID CSCta33973.
Patch / fix
Exploit prediction
2.44% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.4 | AV:N/AC:H/Au:N/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-16 Configuration
- Technology feeds
References
-
cisco.com
/en/US/products/products_security_advisory09186a0080aea4c9.shtml
vendor-advisory, patch
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6853
vdb-entry, signature
-
secunia.com
/advisories/36046
third-party-advisory
-
vupen.com
/english/advisories/2009/2082
vdb-entry
-
securitytracker.com
/id?1022619
vdb-entry
-
securityfocus.com
/bid/35860
vdb-entry
Sources
- CVE List CVE-2009-2049
- NVD CVE-2009-2049
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.