The SCP and SFTP modules in Cisco IOS XR 5.0.0 through 5.2.5 on Network Convergence…
Priority LOW 32CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
The SCP and SFTP modules in Cisco IOS XR 5.0.0 through 5.2.5 on Network Convergence System 6000 devices use weak permissions for system files, which allows remote authenticated users to cause a denial of service (overwrite) via unspecified vectors, aka Bug ID CSCuw75848.
Why it matters now
EPSS 0.0138 72nd 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 · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:ios_xr:5.0.0:*:*:*:*:*:*:* | 5.0.0 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios_xr:5.0.1:*:*:*:*:*:*:* | 5.0.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios_xr:5.2.1:*:*:*:*:*:*:* | 5.2.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios_xr:5.2.3:*:*:*:*:*:*:* | 5.2.3 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios_xr:5.2.4:*:*:*:*:*:*:* | 5.2.4 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios_xr:5.2.5:*:*:*:*:*:*:* | 5.2.5 | Vulnerable | Cisco |
- cpe:2.3:o:cisco:ios_xr:5.0.0:*:*:*:*:*:*:* Versions 5.0.0 Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios_xr:5.0.1:*:*:*:*:*:*:* Versions 5.0.1 Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios_xr:5.2.1:*:*:*:*:*:*:* Versions 5.2.1 Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios_xr:5.2.3:*:*:*:*:*:*:* Versions 5.2.3 Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios_xr:5.2.4:*:*:*:*:*:*:* Versions 5.2.4 Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios_xr:5.2.5:*:*:*:*:*:*:* Versions 5.2.5 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-1366
- 2026-10-03 Alias added: GHSA-2mxp-83cx-hqmp
References
More Cisco Ios Xr vulnerabilities
- TI-2020-02680 Cisco IOS XR Software Cisco Discovery Protocol Format String Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2018-00135 Memory corruption in Cisco IOS, IOS XE, and IOS XR KEVCVSS 3.1HIGH 8.8
- TI-2020-03113 Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities KEVCVSS 3.1HIGH 8.6
- TI-2020-03110 Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability KEVCVSS 3.1HIGH 8.6
- TI-2018-00142 Memory corruption in Cisco IOS, IOS XE, and IOS XR KEVCVSS 3.1HIGH 8.0
- TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
Sources
- CVE-2016-1366 · CVE Program
- CVE-2016-1366 · NVD
- FIRST EPSS
- GHSA-2mxp-83cx-hqmp · 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