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CVE-2022-26501: Veeam Backup & Replication Remote Code Execution Vulnerability

criticalknown exploitedCVE-2022-26501
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Veeamproduct: Backup & ReplicationRemote code execution
What
The Veeam Distribution Service allows unauthenticated users to access internal API functions, potentially leading to remote code execution.
Who is affected
Deployments of Veeam Backup & Replication that expose the internal API.
Urgency
Remediation is critical due to active exploitation of the vulnerability.
Action
Patch to the latest version of Veeam Backup & Replication.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-12-13
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-26501

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2022-26501coverage & exploitation statusNVD · CVE.org

Recent advisories for Veeam Backup &

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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