CVE-2026-21667

At a glance

Severity
CRITICAL 10.0
EPSS
EPSS 1.15 % · percentile 67 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
hackerone
NVD status
Analyzed

Description

A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.

Scores

VersionScoreVectorScored by
CVSS 3.1CRITICAL 10.0CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hhackerone
CVSS 3.1CRITICAL 9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HNVD · support@hackerone.com (Secondary)
CVSS 3.1HIGH 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Veeam · Backup and Replicationunaffected 12.3.2 < 12.3.2

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD