Deserialization of Untrusted Data in Backup & Replication - CVE-2021-35971
Published: March 19, 2025
Vulnerability identifier: #VU105884
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2021-35971
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Backup & Replication
How to mitigate CVE-2021-35971
Install updates from vendor's website.
Backup & Replication - addressed in versions 10.0.1.4854 P20210609, 11.0.0.837 P20210507