CVE-2024-40711 (GCVE-0-2024-40711)

Vulnerability from cvelistv5 – Published: 2024-09-07 16:11 – Updated: 2025-10-21 22:55
VLAI CISA Previdian
Summary
A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE).
Severity
9.8 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-29 21:45 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version CPE status
Veeam Backup and Recovery Affected: 12.1.2 , ≤ 12.1.2 (semver)
guessed Create a notification for this product.
veeam backup_\&_replication Affected: 0 , ≤ 12.2.0.334 (custom)
    cpe:2.3:a:veeam:backup_\&_replication:*:*:*:*:*:*:*:*
Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 9c437326-e8f6-47c0-8ac3-e583d4d543e3

Vulnerability ID: CVE-2024-40711

Status: Confirmed

Status Updated: 2024-10-17 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2024-10-17
Asserted: 2024-10-17
Scope
Notes: KEV entry: Veeam Backup and Replication Deserialization Vulnerability | Affected: Veeam / Backup & Replication | Description: Veeam Backup and Replication contains a deserialization vulnerability allowing an unauthenticated user to perform remote code execution. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2024-11-07 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://www.veeam.com/kb4649 ; https://nvd.nist.gov/vuln/detail/CVE-2024-40711
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-502
Feed CISA Known Exploited Vulnerabilities Catalog
Product Backup & Replication
Due Date 2024-11-07
Date Added 2024-10-17
Vendorproject Veeam
Vulnerabilityname Veeam Backup and Replication Deserialization Vulnerability
Knownransomwarecampaignuse Known
References
Created: 2026-02-02 12:26 UTC | Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 81302ce6-18e9-4aca-8feb-def6547466a3

Vulnerability ID: CVE-2024-40711

Status: Confirmed

Status Updated: 2024-10-17 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2024-10-17
Asserted: 2024-10-17
Scope
Notes: KEVIntel entry: A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE). | Affected: Veeam / Backup and Recovery | CVSS: 9.8 (CRITICAL) | 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 A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE).
Vendor Veeam
Product Backup and Recovery
Added Date 2024-10-17T00:00:00.000Z
Cvss Score 9.8
Epss Score None
Cvss Severity CRITICAL
Epss Percentile None
Used In Malware yes
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:05 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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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.


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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.