Cisco 9900 Unified IP phones allow remote attackers to cause a denial of service…
Priority LOW 29CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- 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 Unified IP phones allow remote attackers to cause a denial of service (unregistration) via a crafted SIP header, aka Bug ID CSCul24898.
Why it matters now
EPSS 0.02663 85th 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 · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:unified_ip_phones_9900_series_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Cisco |
| 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:o:cisco:unified_ip_phones_9900_series_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD 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-2014-0658
- 2026-10-03 Alias added: GHSA-jp55-q2w7-qq2c
References
More Cisco Unified Ip Phone 9951 vulnerabilities
- TI-2013-04719 Cisco 9900 fourth-generation IP phones do not properly perform SDP negotiation, which… CVSS 2.0HIGH 7.1
- 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
- CVE-2014-0658 · CVE Program
- CVE-2014-0658 · NVD
- FIRST EPSS
- GHSA-jp55-q2w7-qq2c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences