CVE-2013-3461
Cisco Unified Communications Manager (Unified CM) 8.5(x) and 8.6(x) before 8.6(2a)su3 and 9.x before 9.1(1) does not properly restrict the rate of SIP packets, which allows remote attackers to cause a denial of service (memory and CPU consumption, and…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Cisco Unified Communications Manager (Unified CM) 8.5(x) and 8.6(x) before 8.6(2a)su3 and 9.x before 9.1(1) does not properly restrict the rate of SIP packets, which allows remote attackers to cause a denial of service (memory and CPU consumption, and service disruption) via a flood of UDP packets to port 5060, aka Bug ID CSCub35869.
- CVSS 2.0
- 7.1 HIGHAV:N/AC:M/Au:N/C:N/I:N/A:C
- EPSS
- 1.35% probability · 70th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- cisco/unified communications manager
- Source
- psirt@cisco.com
References
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130821-cucmVendor Advisory
- http://www.securitytracker.com/id/1028938Third Party Advisory, VDB Entry
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130821-cucmVendor Advisory
- http://www.securitytracker.com/id/1028938Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.