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CVE-2011-2562

HIGH · CVSS 7.8EPSS 1.2%EU EUVD

Unspecified vulnerability in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su2, 7.x before 7.1(5b)su3, 8.x before 8.0(3a)su1, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (service outage) via a SIP INVITE message, aka Bug ID CSCth43256.

Key facts

CVSS score
7.8 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS score
1.2% (68th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-2545)
Published
August 29, 2011
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-2545 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

  • 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
  • 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

References

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

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