CVE-2017-6656 — MEDIUM (5.9)

Vulnerability 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.

CVSS Score

5.9

MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cisco	Ip Phone 8800 Series	11.0\(0.1\)

Related Weaknesses (CWE)

CWE-20

References

http://www.securityfocus.com/bid/98996Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038636
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
http://www.securityfocus.com/bid/98996Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038636
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory

FAQ

What is CVE-2017-6656?

CVE-2017-6656 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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 du...

How severe is CVE-2017-6656?

CVE-2017-6656 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-6656?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ip Phone 8800 Series.