CVE-2026-21671

Veeam Software Appliance

CRITICAL 9.1

At a glance

Source
NVD
EPSS
EPSS 1.35 % · percentile 71 ()
State
PUBLISHED
Published
Updated
Assigner
hackerone
NVD status
Modified

Description

A vulnerability allowing an authenticated user with the Backup Administrator role to perform remote code execution (RCE) in high availability (HA) deployments of Veeam Backup & Replication.

Weaknesses (CWE)

  • CWE-693 — Protection Mechanism Failure
  • CWE-94 — Improper Control of Generation of Code

References

Scores

VersionScoreVectorScored by
CVSS 3.1CRITICAL 9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hhackerone
CVSS 3.1CRITICAL 9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HNVD · support@hackerone.com (Secondary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Veeam · Software Applianceaffected 13.0.1 < 13.0.1

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