PT-2025-34117 · Cisco · Cisco Duo Authentication Proxy

Published 2025-08-20 · Updated 2025-08-20 · CVE-2025-20345

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions: Cisco Duo Authentication Proxy (affected versions not specified)

Description: A vulnerability in the debug logging function could allow an authenticated, high-privileged, remote attacker to access sensitive information in a system log file. This issue is due to insufficient masking of sensitive information before it is written to system log files. An attacker could exploit this by accessing logs on an affected system, potentially allowing them to view restricted information.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2025-10317

CVE-2025-20345

Affected Products

Cisco Duo Authentication Proxy

References · 8

• https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-66682 · Vendor Advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-smi2 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-10317 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-authproxlog-SxczXQ63 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-20345 · Security Note
• https://twitter.com/CVEnew/status/1958211952045588810 · Twitter Post
• https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvd36820 · Note
• https://twitter.com/0dayPublishing/status/1958219743581630567 · Twitter Post