#VU105884 Deserialization of Untrusted Data in Backup & Replication - CVE-2021-35971

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Main Vulnerability Database Vulnerabilities #VU105884

#VU105884 Deserialization of Untrusted Data in Backup & Replication - CVE-2021-35971

Published: March 19, 2025


Vulnerability identifier: #VU105884
Vulnerability risk: High
CVSSv4.0: 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:U/U:Amber
CVE-ID: CVE-2021-35971
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Backup & Replication
Software vendor:
Veeam

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.


Remediation

Install updates from vendor's website.

External links