Resource management flaw in Cisco IP Phone 8851
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
A vulnerability in the Session Initiation Protocol (SIP) implementation of Cisco IP Phone 8851 11.0(0.1) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to an abnormal SIP message. An attacker could exploit this vulnerability by manipulating the CANCEL packet. An exploit could allow the attacker to cause a disruption of service to the phone. Cisco Bug IDs: CSCvc34795.
Why it matters now
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 8851 | Cisco IP Phone 8851 | — | No fix listed | CNA |
- Cisco IP Phone 8851 Vendor— Affected Cisco IP Phone 8851 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-6630
- 2026-10-03 Alias added: GHSA-mjvw-x9c4-59fp
References
More Cisco Ip Phone 8800 Series Firmware vulnerabilities
- TI-2018-00420 Cisco IP Phone 8800 Series Arbitrary Script Injection Vulnerability CVSS 3.0HIGH 8.8
- TI-2015-05344 The encryption-processing feature in Cisco libSRTP before 1.5.3 allows remote attackers… CVSS 3.0HIGH 7.5
- TI-2016-01310 Memory corruption in Cisco IP Phones CVSS 3.0HIGH 7.5
- TI-2016-01366 Cisco IP Phone 8800 devices with software 11.0(1) allow remote attackers to cause a… CVSS 3.0HIGH 7.5
- TI-2016-01294 CISCO IP 8800 phones with software 11.0.1 and earlier allow local users to gain… CVSS 3.0HIGH 7.8
- TI-2017-09081 Command injection in Cisco IP Phone 8800 Series CVSS 3.0MEDIUM 6.7
Sources
- CVE-2017-6630 · CVE Program
- CVE-2017-6630 · NVD
- FIRST EPSS
- GHSA-mjvw-x9c4-59fp · 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