Improper Certificate Validation in Apache Log4j - CVE-2020-9488

 

Improper Certificate Validation in Apache Log4j - CVE-2020-9488

Published: May 4, 2020


Vulnerability identifier: #VU27487
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-9488
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Apache Foundation
Affected software:
Apache Log4j

Detailed vulnerability description

The vulnerability allows a remote attacker to perform man-in-the-middle attack.

The vulnerability exists due to the Apache Log4j SMTP appender does not validate SSL certificates. A remote attacker can perform a MitM attack, intercept and decrypt network traffic.


How to mitigate CVE-2020-9488

Install updates from vendor's website.

Sources