CVE-2009-2055
Severity CVSS v4.0:
Pending analysis
Type:
CWE-20
Input Validation
Publication date:
19/08/2009
Last modified:
22/10/2025
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 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



