Buffer overflow in the login implementation in the Extension Mobility feature in the…
Priority MEDIUM 42CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Buffer overflow in the login implementation in the Extension Mobility feature in the Unified Communications Manager Express (CME) component in Cisco IOS 12.4XW, 12.4XY, 12.4XZ, and 12.4YA allows remote attackers to execute arbitrary code or cause a denial of service via crafted HTTP requests, aka Bug ID CSCsq58779.
Why it matters now
EPSS 0.05548 92nd 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 · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:unified_communications_manager_express:*:*:*:*:*:*:*:* | all versions | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios:12.4xw:*:*:*:*:*:*:* | 12.4xw | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios:12.4xy:*:*:*:*:*:*:* | 12.4xy | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios:12.4xz:*:*:*:*:*:*:* | 12.4xz | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios:12.4ya:*:*:*:*:*:*:* | 12.4ya | Vulnerable | Cisco |
- cpe:2.3:a:cisco:unified_communications_manager_express:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios:12.4xw:*:*:*:*:*:*:* Versions 12.4xw Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios:12.4xy:*:*:*:*:*:*:* Versions 12.4xy Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios:12.4xz:*:*:*:*:*:*:* Versions 12.4xz Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios:12.4ya:*:*:*:*:*:*:* Versions 12.4ya Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-2865
- 2026-10-03 Alias added: GHSA-jvhf-p5j4-xwrc
References
More Cisco Ios vulnerabilities
- TI-2018-00138 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
- TI-2017-09019 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
- TI-2017-02977 Improper input validation in Cisco IOS and IOS XE Software KEVCVSS 3.1CRITICAL 9.8
- TI-2018-00135 Memory corruption in Cisco IOS, IOS XE, and IOS XR KEVCVSS 3.1HIGH 8.8
- TI-2017-04499 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
- TI-2017-04498 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2009-2865 · CVE Program
- CVE-2009-2865 · NVD
- FIRST EPSS
- GHSA-jvhf-p5j4-xwrc · 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