CVE-2025-20345
MEDIUM EPSS 35.8%
Published Aug 20, 202510mo ago · Modified Jun 17, 20262w ago
4.9 CVSS 3.1
Published Aug 20, 2025 10mo ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None
Threat Intelligence
EPSS Exploit Probability
35.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Information Exposure
References 4
- bst.cloudapps.cisco.com https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvd36820
- sec.cloudapps.cisco.com https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi2
- sec.cloudapps.cisco.com https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-authproxlog-SxczXQ63
- sec.cloudapps.cisco.com https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-66682
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.