CVE-2011-1606
Unspecified vulnerability in Cisco Unified Communications Manager (aka CUCM, formerly CallManager...
Unspecified vulnerability in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su2, 7.x before 7.1(5)su1, 8.0 before 8.0(3), and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (process failure) via a malformed SIP message, aka Bug ID CSCtg62855.
Exploit likelihood
What each source reports
NVD Score used
Unspecified vulnerability in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su2, 7.x before 7.1(5)su1, 8.0 before 8.0(3), and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (process failure) via a malformed SIP message, aka Bug ID CSCtg62855.
- Record
CVE-2011-1606- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
CVE List No score
Unspecified vulnerability in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su2, 7.x before 7.1(5)su1, 8.0 before 8.0(3), and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (process failure) via a malformed SIP message, aka Bug ID CSCtg62855.
- Record
CVE-2011-1606- Updated
- 2026-11-02
EUVDEUVD-2011-1606 No score
Unspecified vulnerability in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su2, 7.x before 7.1(5)su1, 8.0 before 8.0(3), and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (process failure) via a malformed SIP message, aka Bug ID CSCtg62855.
- Record
EUVD-2011-1606- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hvhm-xx39-3276 No score
Unspecified vulnerability in Cisco Unified Communications Manager (aka CUCM, formerly CallManager...
Unspecified vulnerability in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su2, 7.x before 7.1(5)su1, 8.0 before 8.0(3), and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (process failure) via a malformed SIP message, aka Bug ID CSCtg62855.
- Record
GHSA-hvhm-xx39-3276- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-1606 is a high vulnerability (CVSS 7.8) in Cisco Unified Communications Manager, published May 3, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.94%, the 87th percentile. No source names a fixed version.
References
secunia.com/advisories/44331
archives.neohapsis.com/archives/fulldisclosure/2011-05/0051.html
exchange.xforce.ibmcloud.com/vulnerabilities/67124
securitytracker.com/id?1025449
vupen.com/english/advisories/2011/1122
securityfocus.com/bid/47611
cisco.com/en/US/products/products_security_advisory09186a0080b79904.shtml
nvd.nist.gov/vuln/detail/CVE-2011-1606
github.com/advisories/GHSA-hvhm-xx39-3276