CVE-2011-4016 describes a denial-of-service vulnerability in Cisco IOS versions 12.2 and 15.0 through 15.2, specifically when Point-to-Point Termination and Aggregation (PTA) and L2TP are in use. Remote attackers can exploit this flaw by sending crafted network traffic, leading to a device crash. The vulnerability has a CVSS score of 5.4, indicating a medium severity with high attack complexity and a complete denial-of-service impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
12.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:* | ||
15.0CPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:* | ||
15.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:* | ||
15.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:H/Au:N/C:N/I:N/A:C
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.