Deserialization of Untrusted Data in xstream - CVE-2021-39141

 

Deserialization of Untrusted Data in xstream - CVE-2021-39141

Published: March 22, 2023 / Updated: December 17, 2024


Vulnerability identifier: #VU73946
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2021-39141
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: XStream
Affected software:
xstream

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2021-39141

Install updates from vendor's website.

Sources