CVE-2009-2055 is a denial-of-service vulnerability affecting Cisco IOS XR versions 3.4.0 through 3.8.1. Remote attackers can exploit this by sending a BGP UPDATE message containing an invalid attribute, causing a session reset. This vulnerability has a medium severity CVSS score of 5.9, indicating a network-based attack with high impact on availability, but high attack complexity. Notably, this CVE has been actively exploited in the wild, as demonstrated on August 17, 2009, and has garnered significant community discussion despite a lack of public exploit code or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.4CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:3.4:*:*:*:*:*:*:* | ||
3.4.0CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:3.4.0:*:*:*:*:*:*:* | ||
3.4.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:3.4.1:*:*:*:*:*:*:* | ||
3.4.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:3.4.2:*:*:*:*:*:*:* | ||
3.4.3CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:3.4.3:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.