CVE-2009-2873 json
Cisco IOS 12.0 through 12.4, when IP-based tunnels and the Cisco Express Forwarding feature are enabled, allows remote attackers to cause a…
published 2009-09-28 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2863
- cvss
- 7.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
Summary
Cisco IOS 12.0 through 12.4, when IP-based tunnels and the Cisco Express Forwarding feature are enabled, allows remote attackers to cause a denial of service (device reload) via malformed packets, aka Bug ID CSCsx70889.
Patch / fix
Exploit prediction
1.68% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.1 | AV:N/AC:M/Au:N/C:N/I:N/A:C |
Classification
- Technology feeds
References
-
cisco.com
/en/US/products/products_security_advisory09186a0080af8115.shtml
vendor-advisory, patch
-
cisco.com
/en/US/products/products_applied_mitigation_bulletin09186a0080af8113.html
patch, vendor-advisory
-
tools.cisco.com
/security/center/viewAlert.x?alertId=18895
patch, vendor-advisory
-
cisco.com
/web/about/security/intelligence/Cisco_ERP_sep09.html
vendor-advisory
-
securitytracker.com
/id?1022930
vdb-entry
-
vupen.com
/english/advisories/2009/2759
vdb-entry
-
osvdb.org
/58334
vdb-entry
Sources
- CVE List CVE-2009-2873
- NVD CVE-2009-2873
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.