CVE-2011-2072
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 1.70% probability · 77th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- cisco/ios · cisco/ios xe · cisco/unified communications manager
- Source
- psirt@cisco.com
EPSS 1.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20110928-cucm
- http://tools.cisco.com/security/center/viewAlert.x?alertId=24129
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d58.shtmlVendor Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d5a.shtmlVendor Advisory
- http://www.securitytracker.com/id?1026110
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20110928-cucm
- http://tools.cisco.com/security/center/viewAlert.x?alertId=24129
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d58.shtmlVendor Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d5a.shtmlVendor Advisory
- http://www.securitytracker.com/id?1026110
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.