CVE-2009-0636 describes an unspecified vulnerability in Cisco IOS versions 12.0 through 12.4, specifically when SIP voice services are enabled. This flaw allows remote, unauthenticated attackers to trigger a denial of service, causing the affected device to crash, by sending a valid SIP message. With a CVSS score of 7.8, this vulnerability is considered high severity due to its network-based attack vector and complete availability impact. Despite its severity, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
12.0CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.0:*:*:*:*:*:*:* | ||
12.0daCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.0da:*:*:*:*:*:*:* | ||
12.0dbCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.0db:*:*:*:*:*:*:* | ||
12.0dcCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.0dc:*:*:*:*:*:*:* | ||
12.0sCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.0s:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
No social media mentions found for this CVE.
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.