CVE-2009-2055
Severity CVSS v4.0:
Pending analysis
Type:
CWE-20
Input Validation
Publication date:
19/08/2009
Last modified:
12/01/2026
Description
Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service (session reset) via a BGP UPDATE message with an invalid attribute, as demonstrated in the wild on 17 August 2009.
Impact
Base Score 3.x
5.90
Severity 3.x
MEDIUM
Base Score 2.0
4.30
Severity 2.0
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:o:cisco:ios_xr:3.4:*:*:*:*:*:*:* | ||
| cpe:2.3:o:cisco:ios_xr:3.4.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:cisco:ios_xr:3.4.1:*:*:*:*:*:*:* | ||
| cpe:2.3:o:cisco:ios_xr:3.4.2:*:*:*:*:*:*:* | ||
| cpe:2.3:o:cisco:ios_xr:3.4.3:*:*:*:*:*:*:* | ||
| cpe:2.3:o:cisco:ios_xr:3.5:*:*:*:*:*:*:* | ||
| cpe:2.3:o:cisco:ios_xr:3.5.2:*:*:*:*:*:*:* | ||
| cpe:2.3:o:cisco:ios_xr:3.5.3:*:*:*:*:*:*:* | ||
| cpe:2.3:o:cisco:ios_xr:3.5.4:*:*:*:*:*:*:* | ||
| cpe:2.3:o:cisco:ios_xr:3.6.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:cisco:ios_xr:3.6.1:*:*:*:*:*:*:* | ||
| cpe:2.3:o:cisco:ios_xr:3.6.2:*:*:*:*:*:*:* | ||
| cpe:2.3:o:cisco:ios_xr:3.6.3:*:*:*:*:*:*:* | ||
| cpe:2.3:o:cisco:ios_xr:3.7.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:cisco:ios_xr:3.7.1:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- http://mailman.nanog.org/pipermail/nanog/2009-August/012719.html
- http://securitytracker.com/id?1022739=
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml
- http://mailman.nanog.org/pipermail/nanog/2009-August/012719.html
- http://securitytracker.com/id?1022739=
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080af150f.shtml
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-2055



