VULNERABILITY INTELLIGENCE

CVE-2017-6656

CVSS score5.9 MEDIUM
EPSS probability1.66%
CISA KEVNot currently listed
Published2017-06-13
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

A vulnerability in Session Initiation Protocol (SIP) call handling of Cisco IP Phone 8800 Series devices could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition due to the SIP process unexpectedly restarting. All active phone calls are dropped as the SIP process restarts. More Information: CSCvc29353. Known Affected Releases: 11.0(0.1). Known Fixed Releases: 11.0(0)MP2.153 11.0(0)MP2.62.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references