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Veeam · Backup & Replication

CVE-2022-26500

Veeam Backup & Replication Remote Code Execution Vulnerability

Exploited in attacks Used by ransomware High 8.8 Attack chance: 5.8%
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What it is

Improper limitation of path names in Veeam Backup & Replication 9.5U3, 9.5U4,10.x, and 11.x allows remote authenticated users access to internal API functions that allows attackers to upload and execute arbitrary code.

CISA: The Veeam Distribution Service in the Backup & Replication application allows unauthenticated users to access internal API functions. A remote attacker can send input to the internal API which may lead to uploading and executing of malicious code.

What to do

Apply updates per vendor instructions.

Deadline for US federal agencies: January 3, 2023

Added to the CISA list
December 13, 2022
Published
March 17, 2022
Severity
High 8.8 CVSS 3.1
Chance of attacks in the next 30 days (EPSS)
5.8% in the top 6.9% of all known vulnerabilities
Weakness
CWE-22
More details
NVD · CVE.org · CISA
All references (2)

More exploited flaws from Veeam

AddedVulnerabilityProductSeverityAttack chance
Oct 17, 2024Backup and Replication DeserializationCVE-2024-40711used by ransomwareBackup & ReplicationCritical 9.890%
Aug 22, 2023Cloud Connect Missing Authentication for Critical FunctionCVE-2023-27532used by ransomwareBackup & ReplicationHigh 7.581%
Dec 13, 2022Remote Code ExecutionCVE-2022-26501used by ransomwareBackup & ReplicationCritical 9.84.1%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.