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CVE-2011-1604
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…
High7.1EPSS 2.5%
- Published
- Updated
- Reserved
- Assigned by
- cisco
Description
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.
Timeline
ID reserved
By cisco
- 28 days later
· 28 days later
Published
- 13 years later
· 13 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.1 | AV:N/AC:M/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 2.5% · top 15% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Weakness
Affected products
n/a
- affected n/a
References (7)
- ucm-sip-dos(67122) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 44331 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 20110502 Re: ZDI-11-143: Cisco Unified CallManager xmldirectorylist.jsp SQL Injection Vulnerability (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 1025449 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 47609 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- ADV-2011-1122 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 20110427 Multiple Vulnerabilities in Cisco Unified Communications Manager (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2011-1604)Record last updated .