Main Vulnerability Database Vulnerabilities #VU62511

Improper input validation in xstream - CVE-2021-39140

Published: April 22, 2022 / Updated: May 5, 2026

Vulnerability identifier: #VU62511

CSH Severity: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/U:Green

CVE-ID: CVE-2021-39140

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
xstream

Software vendor:
XStream

Description

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to improper input validation. A remote attacker can exploit this vulnerability to perform a denial of service attack.

Install updates from vendor's website.