CVE-2011-4012 describes a critical vulnerability in Cisco IOS versions 12.0, 15.0, and 15.1 when utilizing a Policy Feature Card 3C (PFC3C). The flaw stems from the failure to create a fragment entry during ICMPv6 ACL processing, leading to unspecified but severe impact. With a CVSS score of 9.3, this vulnerability is highly severe, allowing for remote attacks with medium complexity and potentially compromising confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
12.0CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.0:*:*:*:*:*:*:* | ||
15.0CPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:* | ||
15.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.