CVE-2022-26500

Veeam Backup & Replication Remote Code Execution Vulnerability

  • High 8.8
  • Exploited: added to CISA KEV 13 Dec 2022
  • Used in ransomware campaigns

Description

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.

Key facts

Published
17 Mar 2022
Last changed
21 Oct 2025
Assigned by
mitre
KEV added
13 Dec 2022
KEV fix due
3 Jan 2023
Used in ransomware
Yes, according to CISA
EPSS
5.828% likely to be exploited in the next 30 days, higher than 93.279% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 8.8CVSS 3.1, Highfrom CISA (ADP container)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What to do

  • Apply updates per vendor instructions.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
n/an/a
  • n/a (affected)

Timeline

  1. 17 Mar 2022 Published
  2. 13 Dec 2022 CVE-2022-26500 added to CISA KEV
  3. 13 Dec 2022 Added to the CISA KEV catalogue

Weakness

Practice this bug class

HackZoneLabs has a hands-on lab on Path traversal (CWE-22).

References