CVE-2021-35971

CRITICAL severity · CVSS 9.8 · Insecure deserialization

9.8CVSS CRITICAL

Summary

Veeam Backup and Replication 10 before 10.0.1.4854 P20210609 and 11 before 11.0.0.837 P20210507 mishandles deserialization during Microsoft .NET remoting.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Exploit probability (EPSS)1%

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

Affected products we track (1)

Veeam Backup & Replication

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

NVD record
https://www.veeam.com/kb4126Advisory
https://www.veeam.com/kb4180Advisory
https://www.veeam.com/kb4126Advisory
https://www.veeam.com/kb4180Advisory