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CVE-2011-2072

HIGH · CVSS 7.8EPSS 1.7%EU EUVD

Memory leak in Cisco IOS 12.4, 15.0, and 15.1, Cisco IOS XE 2.5.x through 3.2.x, and Cisco Unified Communications Manager (CUCM) 6.x and 7.x before 7.1(5b)su4, 8.x before 8.5(1)su2, and 8.6 before 8.6(1) allows remote attackers to cause a denial of service (memory consumption and device reload or process failure) via a malformed SIP message, aka Bug IDs CSCtl86047 and CSCto88686.

Key facts

CVSS score
7.8 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE)
CWE-399
EPSS score
1.7% (77th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-2066)
Published
October 3, 2011
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-2066 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • cisco / ios
  • cisco / ios
  • cisco / ios
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager
  • cisco / unified communications manager

and 24 more…

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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