Improper initialization in PostgreSQL JDBC driver

Published: 2022-05-02
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-21724
Exploitation vector Network
Public exploit N/A
Vulnerable software
Postgresql JDBC Driver
Universal components / Libraries / Libraries used by multiple products

Vendor PostgreSQL Global Development Group

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper initialization

EUVDB-ID: #VU62714

Risk: Medium


CVE-ID: CVE-2022-21724


Exploit availability:


The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to improper initialization in pgjdbc driver when handling attacker-controlled URL in connection properties as the driver does not verify if the class implements the expected interface before instantiating the class. A remote attacker can pass specially crafted URL to the affected application and execute arbitrary code in the system.


Install updates from vendor's website.

Vulnerable software versions

Postgresql JDBC Driver: 9.4.1207 - 42.3.1

Fixed software versions

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?