CVE-2011-2057 describes a denial-of-service vulnerability in the cat6000-dot1x component of Cisco IOS 12.2 before 12.2(33)SXI7. This flaw allows remote attackers to trigger a traffic storm by creating specific network loops involving dot1x-enabled and non-dot1x ports, leading to excessive Spanning Tree Protocol (STP) Bridge Protocol Data Unit (BPDU) frames. With a CVSS score of 7.5 (High), the vulnerability is easily exploitable over the network with low attack complexity, resulting in a complete loss of availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| 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.