CVE-2008-2739 describes a denial-of-service vulnerability affecting Cisco IOS versions 12.3 and 12.4, specifically within the Intrusion Prevention System's (IPS) SERVICE.DNS signature engine. Remote attackers can trigger a device crash or hang by sending network traffic that activates unspecified IPS signatures. With a CVSS score of 7.8 (High), this vulnerability is easily exploitable over the network with low attack complexity and no authentication required, leading to a complete loss of availability. 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 |
|---|---|---|---|
12.3tCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.3t:*:*:*:*:*:*:* | ||
12.3xlCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.3xl:*:*:*:*:*:*:* | ||
12.3xqCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.3xq:*:*:*:*:*:*:* | ||
12.3xrCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.3xr:*:*:*:*:*:*:* | ||
12.3xsCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.3xs:*:*:*:*:*:*:* |
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.
Remediation records are not available for this CVE.