TI-2015-03545 Aliases CVE-2015-4226 GHSA-29v6-j9p2-6qxc

The packet-storing feature on Cisco 9900 phones with firmware 9.3(2) does not properly…

LOW 36CWE-399Published 2015-06-30 · 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: Denial of service
Confidentiality · integrity · availability: None · None · Complete
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.

Summary

The packet-storing feature on Cisco 9900 phones with firmware 9.3(2) does not properly support the RTP protocol, which allows remote attackers to cause a denial of service (device hang) by sending malformed RTP packets after a call is answered, aka Bug ID CSCur39976.

Why it matters now

EPSS 0.02754 86th 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 · 1

CPE	Versions	Role	Vendor
cpe:2.3:o:cisco:unified_ip_phones_9900_series_firmware:9.3\(2\):::::::*	9.3(2)	Vulnerable	Cisco

cpe:2.3:o:cisco:unified_ip_phones_9900_series_firmware:9.3\(2\):*:*:*:*:*:*:* Versions 9.3(2) Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2015-4226
2026-10-03 Alias added: GHSA-29v6-j9p2-6qxc

References

Advisory 1

20150629 Cisco Unified IP Phones 9900 Series Denial of Service Vulnerability

TI-2014-00628 Cisco 9900 Unified IP phones allow remote attackers to cause a denial of service… CVSS 2.0MEDIUM 5.4
TI-2015-00555 The mobility extension on Cisco Unified IP 9900 phones with firmware 9.4(.1) and earlier… CVSS 2.0MEDIUM 5.0
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-2015-00557 The mobility extension on Cisco Unified IP 9900 phones with firmware 9.4(.1) and earlier… 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

See all 7 →

Sources

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