CVE-2013-5479 describes a denial-of-service vulnerability in Cisco IOS versions 12.2 and 15.0 through 15.3, specifically impacting DNS-over-TCP implementations when NAT is configured. A remote unauthenticated attacker can trigger a device reload by sending a specially crafted IPv4 DNS TCP stream. This vulnerability has a CVSS score of 7.8, indicating high severity due to its network-based attack vector, low attack complexity, and complete availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage 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:*:*:*:*:*:*:* | ||
15.3CPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.3:*:*:*:*:*:*:* |
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.