CVE-2021-35971

9.8 criticalEPSS 1.2%

Critical (9.8) in veeam veeam backup \& replication. EPSS 1.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)
CWE: CWE-502
Published: 2021-06-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

veeam:veeam_backup_\&_replication

References

https://www.veeam.com/kb4126
https://www.veeam.com/kb4180
https://www.veeam.com/kb4126
https://www.veeam.com/kb4180

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