CVE-2009-2056 describes a denial-of-service vulnerability in Cisco IOS XR 3.8.1 and earlier, affecting the cisco ios_xr product. Authenticated remote attackers can crash a process by sending a BGP UPDATE message with an excessive number of AS numbers prepended to the AS path. This vulnerability has a low severity CVSS score of 3.3, indicating a network-based attack requiring authentication, with a potential impact of partial availability loss. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.8.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:* | ||
3.0CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:3.0:*:*:*:*:*:*:* | ||
3.0.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:3.0.1:*:*:*:*:*:*:* | ||
3.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:3.1:*:*:*:*:*:*:* | ||
3.1.0CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:3.1.0:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:M/C:N/I:N/A:P
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.0 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.