CVE-2022-26500 vulnerability in Veeam Products
Published on March 17, 2022
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.
Known Exploited Vulnerability
This Veeam Backup & Replication Remote Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. 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.
The following remediation steps are recommended / required by January 3, 2023: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2022-26500 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2022-26500 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2022-26500
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Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.