#VU112166 Improper Authentication in Postgresql JDBC Driver - CVE-2025-49146
Published: July 4, 2025
Vulnerability identifier: #VU112166
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-49146
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Postgresql JDBC Driver
Postgresql JDBC Driver
Software vendor:
PostgreSQL Global Development Group
PostgreSQL Global Development Group
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to when the PostgreSQL JDBC driver is configured with channel binding set to required (default value is prefer), the driver would incorrectly allow connections to proceed with authentication methods that do not support channel binding (such as password, MD5, GSS, or SSPI authentication). A remote attacker can intercept connections that users believed were protected by channel binding requirements.
Remediation
Install updates from vendor's website.