CVE-2010-2840

high Cisco
CVSS v3 Base Score
7.8
AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS Score
0.4%
Exploitation probability in 30 days
Top 38% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
None
Integrity
None
Availability
C
Published: August 26, 2010 (5739 days ago)
Last Modified: April 29, 2026
Vendor: Cisco
Source: NVD

Description

The Presence Engine (PE) service in Cisco Unified Presence 6.x before 6.0(7) and 7.x before 7.0(8) does not properly handle an erroneous Contact field in the header of a SIP SUBSCRIBE message, which allows remote attackers to cause a denial of service (process failure) via a malformed message, aka Bug ID CSCtd39629.

CWE

CWE-20

Affected Products

cisco unified presence server

References

🔗 www.cisco.com 🔗 www.vupen.com 🔗 www.cisco.com 🔗 www.vupen.com