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

Vulnerability from cvelistv5 – Published: 2022-03-17 20:56 – Updated: 2025-10-21 23:15
VLAI CISA Previdian
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
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-03 14:08 UTC
CWE
  • n/a
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
URL Tags
https://veeam.com x_refsource_MISC
https://www.veeam.com/kb4288 x_refsource_MISC
https://www.cisa.gov/known-exploited-vulnerabilit… government-resource
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 477c9e2a-a190-4d43-87b0-75e9772d3021

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 13:25 UTC | Updated: 2026-02-06 07:53 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: cc428950-b649-4c90-9a2b-0f26f913cba6

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: KEVIntel entry: Improper limitation of path names in Veeam Backup & Replication 9.5U3, 9.5U4,10.x, and 11.x allows remote authenticated users access to... | Affected: Veeam / Backup & Replication | CVSS: 8.8 (HIGH) | Used in malware: yes | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Confirmed Compromise

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title Improper limitation of path names in Veeam Backup & Replication 9.5U3, 9.5U4,10.x, and 11.x allows remote authenticated users access to...
Vendor Veeam
Product Backup & Replication
Added Date 2022-12-13T00:00:00.000Z
Cvss Score 8.8
Epss Score None
Cvss Severity HIGH
Epss Percentile None
Used In Malware yes
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 11:14 UTC | Updated: 2026-06-23 11:14 UTC
Show details on NVD website
To clipboard 

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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.