Vulnerability · Published Aug 20, 2025 · Assigned by cisco
CVE-2025-20345Cisco Duo Authentication Proxy Information Disclosure Vulnerability
Medium 4.9
In plain English
A medium-severity information exposure in Cisco Duo Authentication Proxy from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Duo Authentication Proxy | 2.4.22.4.32.4.42.4.52.4.62.4.72.4.82.4.9 |
Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N