CVE-2011-2058 is a denial-of-service vulnerability affecting Cisco IOS 12.2 before 12.2(33)SXI7, specifically within the cat6000-dot1x component. This flaw allows remote attackers to trigger a traffic storm by exploiting an external loop between dot1x enabled ports, leading to an excessive number of unicast EAPoL PDUs. With a CVSS score of 7.5 (High), it can be exploited remotely with low attack complexity, resulting in high availability impact without requiring user interaction or privileges. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 12.2, < 12.2\(33\)sxi7CPE matchmatch criteria | cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.