CVE-2011-4019 describes a memory leak vulnerability in Cisco IOS versions 12.4 and 15.0-15.2, and Cisco Unified Communications Manager (CUCM) 7.x. This flaw allows remote attackers to trigger a denial of service by sending a specially crafted response to a SIP SUBSCRIBE message, leading to excessive memory consumption. With a CVSS score of 5.4, this vulnerability has a network attack vector and high attack complexity, resulting in a complete denial of service. 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 |
|---|---|---|---|
12.4CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:* | ||
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:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:a:cisco:unified_communications_manager:7.0:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:H/Au:N/C:N/I:N/A:C
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.