CVE-2010-2840 describes a denial-of-service vulnerability affecting the Presence Engine (PE) service in Cisco Unified Presence versions 6.x and 7.x. An attacker can exploit this by sending a malformed SIP SUBSCRIBE message with an erroneous Contact field, causing the PE service to fail. This vulnerability carries a high severity CVSS score of 7.8, indicating it can be exploited remotely with low complexity and without authentication, leading to a complete loss of availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
6.0CPE matchmatch criteria | cpe:2.3:a:cisco:unified_presence_server:6.0:*:*:*:*:*:*:* | ||
6.0\(2\)CPE matchmatch criteria | cpe:2.3:a:cisco:unified_presence_server:6.0\(2\):*:*:*:*:*:*:* | ||
6.0\(3\)CPE matchmatch criteria | cpe:2.3:a:cisco:unified_presence_server:6.0\(3\):*:*:*:*:*:*:* | ||
6.0\(4\)CPE matchmatch criteria | cpe:2.3:a:cisco:unified_presence_server:6.0\(4\):*:*:*:*:*:*:* | ||
6.0\(5\)CPE matchmatch criteria | cpe:2.3:a:cisco:unified_presence_server:6.0\(5\):*:*:*:*:*:*:* |
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.