CVE-2011-3278 describes an unspecified vulnerability within the NAT implementation of Cisco IOS versions 12.1 through 12.4 and 15.0 through 15.1, as well as IOS XE 3.1.xSG. This flaw allows unauthenticated remote attackers to trigger a denial of service, specifically a device reload, by sending specially crafted SIP packets to UDP port 5060. With a CVSS score of 7.8, this vulnerability is considered high severity due to its network-based attack vector, low attack complexity, and complete loss of availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.1.0sgCPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:3.1.0sg:*:*:*:*:*:*:* | ||
3.1.1sgCPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:3.1.1sg:*:*:*:*:*:*:* | ||
12.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.1:*:*:*:*:*:*:* | ||
12.1eCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.1e:*:*:*:*:*:*:* | ||
12.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
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.