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Vulnerabilities

Vulnerability · CVE-2022-26504

Veeam veeam_backup_\&_replication Improper Authentication

Published Oct 24, 2022 · catalog updated Oct 24, 2022 · Veeam

Patch now

CVE-2022-26504 is in the CISA known-exploited catalog. Confirm Veeam against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
2.43%
Remediation
Remediation guidance
Affected products
vendor Veeam veeam_backup_\&_replication

Improper authentication in Veeam Backup & Replication 9.5U3, 9.5U4,10.x and 11.x component used for Microsoft System Center Virtual Machine Manager (SCVMM) allows attackers execute arbitrary code via Veeam.Backup.PSManager.exe

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Veeam veeam_backup_\&_replicationversion unspecified

How to fix CVE-2022-26504

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2022-26504 is in the CISA known-exploited catalog. Confirm Veeam against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 2.43%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 24, 2022 · VulnCheck KEV

    Detected

    Improper authentication in Veeam Backup & Replication 9.5U3, 9.5U4,10.x and 11.x component used for Microsoft System Center Virtual Machine Manager (SCVMM) allows attackers execute arbitrary code via Veeam.Backup.PSManager.exe

  2. Oct 24, 2022 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2022-26504

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-26504

    30-day exploitation probability 2.4%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2022-26504

    Improper authentication in Veeam Backup & Replication 9.5U3, 9.5U4,10.x and 11.x component used for Microsoft System Center Virtual Machine Manager (SCVMM) allows attackers execute arbitrary code via Veeam.Backup.PSManager.exe

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.