The Presence Engine (PE) service in Cisco Unified Presence 6.x before 6.0(7) and 7.x…
Priority LOW 36CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.0121 68th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 22
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:unified_presence_server:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:6.0\(2\):*:*:*:*:*:*:* | 6.0(2) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:6.0\(3\):*:*:*:*:*:*:* | 6.0(3) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:6.0\(4\):*:*:*:*:*:*:* | 6.0(4) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:6.0\(5\):*:*:*:*:*:*:* | 6.0(5) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:6.0\(6\):*:*:*:*:*:*:* | 6.0(6) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:7.0\(2\):*:*:*:*:*:*:* | 7.0(2) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:7.0\(3\):*:*:*:*:*:*:* | 7.0(3) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:7.0\(4\):*:*:*:*:*:*:* | 7.0(4) | Vulnerable | Cisco |
- cpe:2.3:a:cisco:unified_presence_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:6.0\(2\):*:*:*:*:*:*:* Versions 6.0(2) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:6.0\(3\):*:*:*:*:*:*:* Versions 6.0(3) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:6.0\(4\):*:*:*:*:*:*:* Versions 6.0(4) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:6.0\(5\):*:*:*:*:*:*:* Versions 6.0(5) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:6.0\(6\):*:*:*:*:*:*:* Versions 6.0(6) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:7.0\(2\):*:*:*:*:*:*:* Versions 7.0(2) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:7.0\(3\):*:*:*:*:*:*:* Versions 7.0(3) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:7.0\(4\):*:*:*:*:*:*:* Versions 7.0(4) Vulnerable ·Cisco
Show 12 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:unified_presence_server:7.0\(5\):*:*:*:*:*:*:* | 7.0(5) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:7.0\(6\):*:*:*:*:*:*:* | 7.0(6) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:7.0\(7\):*:*:*:*:*:*:* | 7.0(7) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:6.0\(2.1101\):*:*:*:*:*:*:* | 6.0(2.1101) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:6.0\(3.1101-2\):*:*:*:*:*:*:* | 6.0(3.1101-2) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:6.0\(4.1101-5\):*:*:*:*:*:*:* | 6.0(4.1101-5) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:6.0\(5.1101-1\):*:*:*:*:*:*:* | 6.0(5.1101-1) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:6.0\(5.1103-2\):*:*:*:*:*:*:* | 6.0(5.1103-2) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:6.0.5.1102-1:*:*:*:*:*:*:* | 6.0.5.1102-1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:7.0.3.10102-3:*:*:*:*:*:*:* | 7.0.3.10102-3 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:7.0.3.10103-2:*:*:*:*:*:*:* | 7.0.3.10103-2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:7.0.4.10101-2:*:*:*:*:*:*:* | 7.0.4.10101-2 | Vulnerable | Cisco |
- cpe:2.3:a:cisco:unified_presence_server:7.0\(5\):*:*:*:*:*:*:* Versions 7.0(5) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:7.0\(6\):*:*:*:*:*:*:* Versions 7.0(6) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:7.0\(7\):*:*:*:*:*:*:* Versions 7.0(7) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:6.0\(2.1101\):*:*:*:*:*:*:* Versions 6.0(2.1101) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:6.0\(3.1101-2\):*:*:*:*:*:*:* Versions 6.0(3.1101-2) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:6.0\(4.1101-5\):*:*:*:*:*:*:* Versions 6.0(4.1101-5) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:6.0\(5.1101-1\):*:*:*:*:*:*:* Versions 6.0(5.1101-1) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:6.0\(5.1103-2\):*:*:*:*:*:*:* Versions 6.0(5.1103-2) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:6.0.5.1102-1:*:*:*:*:*:*:* Versions 6.0.5.1102-1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:7.0.3.10102-3:*:*:*:*:*:*:* Versions 7.0.3.10102-3 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:7.0.3.10103-2:*:*:*:*:*:*:* Versions 7.0.3.10103-2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:7.0.4.10101-2:*:*:*:*:*:*:* Versions 7.0.4.10101-2 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2010-2840
- 2026-10-03 Alias added: GHSA-8q52-6xmp-rvx5
References
More Cisco Unified Presence Server vulnerabilities
- TI-2011-01432 Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x, 7.x before… CVSS 2.0HIGH 10.0
- TI-2009-02737 The TimesTenD process in Cisco Unified Presence 1.x, 6.x before 6.0(6), and 7.x before… CVSS 2.0HIGH 7.8
- TI-2006-05364 Cisco Security Agent (CSA) for Linux 4.5 before 4.5.1.657 and 5.0 before 5.0.0.193, as… CVSS 2.0HIGH 7.8
- TI-2013-00984 Cisco Unified Presence Server (CUPS) 8.6, 9.0, and 9.1 before 9.1.1 allows remote… CVSS 2.0HIGH 7.8
- TI-2008-01110 The Presence Engine (PE) service in Cisco Unified Presence before 6.0(1) allows remote… CVSS 2.0HIGH 7.8
- TI-2007-03662 Unspecified vulnerability in Cisco Unified Communications Manager (CUCM, formerly… CVSS 2.0HIGH 7.8
Sources
- CVE-2010-2840 · CVE Program
- CVE-2010-2840 · NVD
- FIRST EPSS
- GHSA-8q52-6xmp-rvx5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences