TI-2013-04719 Aliases CVE-2013-5526 GHSA-2cr2-mqhq-gqp3

Cisco 9900 fourth-generation IP phones do not properly perform SDP negotiation, which…

LOW 35CWE-20Published 2013-10-10 · Updated 2024-08-06

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Medium
Impact type: —
Confidentiality · integrity · availability: None · None · Complete
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

Cisco 9900 fourth-generation IP phones do not properly perform SDP negotiation, which allows remote attackers to cause a denial of service (device reboot) via crafted SDP packets, aka Bug ID CSCuf06698.

Why it matters now

EPSS 0.01816 78th 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
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:h:cisco:unified_ip_phone_9951::::::::	all versions	Vulnerable	Cisco
cpe:2.3:h:cisco:unified_ip_phone_9971::::::::	all versions	Vulnerable	Cisco

cpe:2.3:h:cisco:unified_ip_phone_9951:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Cisco
cpe:2.3:h:cisco:unified_ip_phone_9971:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2013-5526
2026-10-03 Alias added: GHSA-2cr2-mqhq-gqp3

References

Advisory 1

20131009 Cisco Fourth-Generation RT Style IP Phone Crafted SDP Packet Vulnerability

Other 1

98254

TI-2014-00628 Cisco 9900 Unified IP phones allow remote attackers to cause a denial of service… CVSS 2.0MEDIUM 5.4
TI-2013-05504 The firmware on Cisco Unified IP phones 8961, 9951, and 9971 uses weak permissions for… CVSS 2.0MEDIUM 6.6
TI-2013-04726 The image-upgrade functionality on Cisco 9900 Unified IP phones allows local users to… CVSS 2.0MEDIUM 6.0
TI-2013-04725 Buffer overflow in the web-application interface on Cisco 9900 IP phones allows remote… CVSS 2.0MEDIUM 5.0
TI-2013-02993 The Serviceability servlet on Cisco 9900 IP phones does not properly restrict paths… CVSS 2.0MEDIUM 5.0

Sources

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