Cisco Duo Authentication Proxy up to 6.0.0 debug log file

Summaryinfo

A vulnerability categorized as problematic has been discovered in Cisco Duo Authentication Proxy. This impacts an unknown function. Such manipulation leads to debug log file. This vulnerability is documented as CVE-2025-20345. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Duo Authentication Proxy and classified as problematic. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a debug log file vulnerability. Using CWE to declare the problem leads to CWE-534. This entry has been deprecated because its abstraction was too low-level. See CWE-532. Impacted is confidentiality. CVE summarizes:

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 advisory is available at sec.cloudapps.cisco.com. This vulnerability is handled as CVE-2025-20345 since 10/10/2024. The exploitation is known to be easy. The attack may be launched remotely. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Firewall Software

Vendor

• Cisco

Name

• Duo Authentication Proxy

Version

• 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

License

• commercial

Website

• Vendor: https://www.cisco.com/

CPE 2.3info

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