Medium severity5.9NVD Advisory· Published Jun 13, 2017· Updated Jun 17, 2026
CVE-2017-6656
CVE-2017-6656
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.
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Affected products
1- cpe:2.3:a:cisco:ip_phone_8800_series:11.0\(0.1\):*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
3- www.securityfocus.com/bid/98996nvdThird Party AdvisoryVDB Entry
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170607-sipnvdVendor Advisory
- www.securitytracker.com/id/1038636nvd
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