Deserialization Flaw in Veeam Backup and Replication Software
CVE-2021-35971

9.8CRITICAL

Key Information:

Vendor

Veeam
Status
Veeam Backup \& Replication
Vendor
CVE Published:
30 June 2021

What is CVE-2021-35971?

Veeam Backup and Replication versions 10 and 11 prior to specified updates are susceptible to a deserialization vulnerability during Microsoft .NET remoting, which could allow attackers to execute malicious code or gain unauthorized access to sensitive data. Users are advised to upgrade their systems to a secure version as per vendor recommendations.

References

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

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2021-35971 : Deserialization Flaw in Veeam Backup and Replication Software