CVE-2020-4043 HIGH

CVE-2020-4043: Phar unserialization vulnerability in phpMussel

Vendor Phpmussel
Product phpMussel
Weakness CWE-502 · Unsafe deserialization
Published June 10, 2020
Last update August 4, 2024
View on NVD All CVEs

CVSS base score

7.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

What the vulnerability does

01Description

phpMussel from versions 1.0.0 and less than 1.6.0 has an unserialization vulnerability in PHP's phar wrapper. Uploading a specially crafted file to an affected version allows arbitrary code execution (discovered, tested, and confirmed by myself), so the risk factor should be regarded as very high. Newer phpMussel versions don't use PHP's phar wrapper, and are therefore unaffected. This has been fixed in version 1.6.0.

Key dates

02Disclosure timeline

June 10, 2020 CVE published
August 4, 2024 Record updated