What is CVE-2021-35971?

CVE-2021-35971 is a critical-severity vulnerability in Veeam Veeam_backup_\&_replication, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2021-06-30.

How severe is CVE-2021-35971?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Veeam Veeam_backup_\&_replication

CVE-2021-35971

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.

Vulnerability class: Insecure Deserialization

EPSS: 0.012 (65.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Veeam Veeam_backup_\&_replication
N/a — versions n/a

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-35971?: CVE-2021-35971 is a critical-severity vulnerability in Veeam Veeam_backup_\&_replication, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2021-06-30.
How severe is CVE-2021-35971?: Critical severity. CVSS v3 base score is 9.8 out of 10.