TI-2017-04415 Aliases CVE-2017-6656 GHSA-g24g-3vhv-96p3

Improper input validation in Cisco IP Phone 8800 Series

LOW 30CWE-20Published 2017-06-13 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01661 76th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	Cisco IP Phone 8800 Series	Cisco IP Phone 8800 Series	—	No fix listed	CNA

Cisco IP Phone 8800 Series Vendor— Affected Cisco IP Phone 8800 Series Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:ip_phone_8800_series:11.0\(0.1\):::::::*	11.0(0.1)	Vulnerable	Cisco

cpe:2.3:a:cisco:ip_phone_8800_series:11.0\(0.1\):*:*:*:*:*:*:* Versions 11.0(0.1) Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2017-6656
2026-10-03 Alias added: GHSA-g24g-3vhv-96p3

References

Advisory 1

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170607-sip

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences