Critical severity · published Jun 30, 2021
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
9.8
CVSS
1.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BR
Backup & Replication · Veeam
10.0 before 10.0.1.4854; 11.0 before 11.0.0.837 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-35971
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-35971
Release Notes
https://www.veeam.com/kb4126
Release Notes
https://www.veeam.com/kb4180
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