CVE-2012-3950 describes a denial-of-service vulnerability in the Intrusion Prevention System (IPS) feature of Cisco IOS versions 12.3-12.4 and 15.0-15.2. Specifically, certain IPS configurations with enabled categories and missing signatures can be exploited by remote attackers using crafted DNS packets, leading to a device reload. This vulnerability has a CVSS score of 7.1, indicating a high severity due to its network-based attack vector, medium attack complexity, and complete availability 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 |
|---|---|---|---|
12.3CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.3:*:*:*:*:*:*:* | ||
12.3\(1a\)CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.3\(1a\):*:*:*:*:*:*:* | ||
12.3\(2\)jaCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.3\(2\)ja:*:*:*:*:*:*:* | ||
12.3\(2\)ja5CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.3\(2\)ja5:*:*:*:*:*:*:* | ||
12.3\(2\)jkCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.3\(2\)jk:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:N/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.