CVE-2022-26500 (GCVE-0-2022-26500)

Vulnerability from cvelistv5 – Published: 2022-03-17 20:56 – Updated: 2025-10-21 23:15
VLAI? CISA KEV
Summary
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.
Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
https://veeam.com x_refsource_MISC
https://www.veeam.com/kb4288 x_refsource_MISC
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 168346d7-ffb8-4733-91d2-a7fc51bc4446

Vulnerability ID: CVE-2022-26500

Status: Confirmed

Status Updated: 2022-12-13 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2022-12-13
Asserted: 2022-12-13
Scope
Notes: KEV entry: Veeam Backup & Replication Remote Code Execution Vulnerability | Affected: Veeam / Backup & Replication | Description: 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. | Required action: Apply updates per vendor instructions. | Due date: 2023-01-03 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://www.veeam.com/kb4288; https://nvd.nist.gov/vuln/detail/CVE-2022-26500
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-22
Feed CISA Known Exploited Vulnerabilities Catalog
Product Backup & Replication
Due Date 2023-01-03
Date Added 2022-12-13
Vendorproject Veeam
Vulnerabilityname Veeam Backup & Replication Remote Code Execution Vulnerability
Knownransomwarecampaignuse Known
References
Created: 2026-02-02 12:27 UTC | Updated: 2026-02-06 07:17 UTC
Show details on NVD website
To clipboard 

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}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.