Cisco Duo Authentication Proxy Information Disclosure Vulnerability
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.
Summary
A vulnerability in the debug logging function of Cisco Duo Authentication Proxy could allow an authenticated, high-privileged, remote attacker to view sensitive information in a system log file. This vulnerability is due to insufficient masking of sensitive information before it is written to system log files. An attacker could exploit this vulnerability by accessing logs on an affected system. A successful exploit could allow the attacker to view sensitive information that should be restricted.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cisco | Cisco Duo Authentication Proxy | 2.4.2; 2.4.3; 2.4.4; 2.4.5; 2.4.6; 2.4.7; 2.4.8; 2.4.9; 2.4.10; 2.4.11; 2.4.12; 2.4.13; 2.4.14; 2.4.14.1; 2.4.15; 2.4.16; 2.4.17; 2.4.18; 2.4.19; 2.4.20; 2.4.21; 2.5.4; 2.6.0; 2.7.0; 2.8.1; 2.9.0; 2.10.0; 2.10.1; 2.11.0; 2.12.0; 2.12.1; 2.13.0; 2.14.0; 3.0.0; 3.1.0; 3.1.1; 3.2.0; 3.2.1; 3.2.2; 3.2.3; 3.2.4; 4.0.0; 4.0.1; 4.0.2; 5.0.0; 5.0.1; 5.0.2; 5.1.0; 5.1.1; 5.2.0; 5.2.1; 5.2.2; 5.3.0; 5.3.1; 5.4.0; 5.4.1; 5.5.0; 5.5.1; 5.6.0; 5.6.1; 5.7.0; 5.7.1; 5.7.2; 5.7.3; 5.7.4; 5.8.0; 5.8.1; 6.0.0 | — | No fix listed | CNA |
- Cisco Duo Authentication Proxy VendorCisco Affected 2.4.2; 2.4.3; 2.4.4; 2.4.5; 2.4.6; 2.4.7; 2.4.8; 2.4.9; 2.4.10; 2.4.11; 2.4.12; 2.4.13; 2.4.14; 2.4.14.1; 2.4.15; 2.4.16; 2.4.17; 2.4.18; 2.4.19; 2.4.20; 2.4.21; 2.5.4; 2.6.0; 2.7.0; 2.8.1; 2.9.0; 2.10.0; 2.10.1; 2.11.0; 2.12.0; 2.12.1; 2.13.0; 2.14.0; 3.0.0; 3.1.0; 3.1.1; 3.2.0; 3.2.1; 3.2.2; 3.2.3; 3.2.4; 4.0.0; 4.0.1; 4.0.2; 5.0.0; 5.0.1; 5.0.2; 5.1.0; 5.1.1; 5.2.0; 5.2.1; 5.2.2; 5.3.0; 5.3.1; 5.4.0; 5.4.1; 5.5.0; 5.5.1; 5.6.0; 5.6.1; 5.7.0; 5.7.1; 5.7.2; 5.7.3; 5.7.4; 5.8.0; 5.8.1; 6.0.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-20345
- 2026-10-03 Alias added: GHSA-xrhj-pq48-gcwm
References
More Cisco vulnerabilities
- TI-2026-74174 Arbitrary file write in Cisco Secure Email Gateway via AMP feature KEVCVSS 3.1CRITICAL 9.8
- TI-2026-53490 Cisco Catalyst SD-WAN Manager System Account Authorization Bypass Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2026-53489 Cisco Secure Email Gateway SQL Injection Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2026-53488 Cisco Identity Services Engine Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2026-16388 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2026-16344 Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0
Sources
- CVE-2025-20345 · CVE Program
- CVE-2025-20345 · NVD
- FIRST EPSS
- GHSA-xrhj-pq48-gcwm · 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