CVE-2011-1604
Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6...
Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su3, 7.x before 7.1(5b)su3, 8.0 before 8.0(3a)su2, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (memory consumption and process failure) via a malformed SIP message, aka Bug ID CSCti42904.
Exploit likelihood
What each source reports
NVD Score used
Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su3, 7.x before 7.1(5b)su3, 8.0 before 8.0(3a)su2, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (memory consumption and process failure) via a malformed SIP message, aka Bug ID CSCti42904.
- Record
CVE-2011-1604- CVSS 2.0
- 7.1 High
AV:N/AC:M/Au:N/C:N/I:N/A:C - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su3, 7.x before 7.1(5b)su3, 8.0 before 8.0(3a)su2, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (memory consumption and process failure) via a malformed SIP message, aka Bug ID CSCti42904.
- Record
CVE-2011-1604- Updated
- 2026-11-02
EUVDEUVD-2011-1604 No score
Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su3, 7.x before 7.1(5b)su3, 8.0 before 8.0(3a)su2, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (memory consumption and process failure) via a malformed SIP message, aka Bug ID CSCti42904.
- Record
EUVD-2011-1604- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fhvf-2vjr-3jh6 No score
Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6...
Memory leak in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su3, 7.x before 7.1(5b)su3, 8.0 before 8.0(3a)su2, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (memory consumption and process failure) via a malformed SIP message, aka Bug ID CSCti42904.
- Record
GHSA-fhvf-2vjr-3jh6- 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-2011-1604 is a high vulnerability (CVSS 7.1) 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 2.51%, the 84th percentile. No source names a fixed version.
References
exchange.xforce.ibmcloud.com/vulnerabilities/67122
secunia.com/advisories/44331
archives.neohapsis.com/archives/fulldisclosure/2011-05/0051.html
securitytracker.com/id?1025449
securityfocus.com/bid/47609
vupen.com/english/advisories/2011/1122
cisco.com/en/US/products/products_security_advisory09186a0080b79904.shtml
nvd.nist.gov/vuln/detail/CVE-2011-1604
github.com/advisories/GHSA-fhvf-2vjr-3jh6