Medium severity5.3NVD Advisory· Published May 22, 2017· Updated Jun 17, 2026
CVE-2017-6630
CVE-2017-6630
Description
A vulnerability in the Session Initiation Protocol (SIP) implementation of Cisco IP Phone 8851 11.0(0.1) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to an abnormal SIP message. An attacker could exploit this vulnerability by manipulating the CANCEL packet. An exploit could allow the attacker to cause a disruption of service to the phone. Cisco Bug IDs: CSCvc34795.
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Affected products
1- cpe:2.3:o:cisco:ip_phone_8800_series_firmware:11.0\(0.1\):*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
3- www.securityfocus.com/bid/98533nvdThird Party AdvisoryVDB Entry
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170517-sipnvdVendor Advisory
- www.securitytracker.com/id/1038511nvd
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