CVE-2025-20345CWE-200

Cisco Duo Authentication Proxy Information Disclosure Vulnerability

Medium · published August 20, 2025

CVSS v3.1
4.9
EPSS
0%
Percentile
40.4
In the wild
Unconfirmed
What it is

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. 

The record
Technical detail
CVSS v3.1
4.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00480 · 40.4th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2025-08-20T16:26Z
EPSS history
Timeline
  • 20 AUG 16:26Z
    Cisco Duo Authentication Proxy Information Disclosure Vulnerability
    cvelistv5