CVE-2024-40711 (GCVE-0-2024-40711)
Vulnerability from cvelistv5 – Published: 2024-09-07 16:11 – Updated: 2025-10-21 22:55Summary
A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE).
Severity
9.8 (Critical)
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
3 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Veeam | Backup and Recovery |
Affected:
12.1.2 , ≤ 12.1.2
(semver)
|
guessed | |
| veeam | backup_\&_replication |
Affected:
0 , ≤ 12.2.0.334
(custom)
cpe:2.3:a:veeam:backup_\&_replication:*:*:*:*:*:*:*:* |
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 9c437326-e8f6-47c0-8ac3-e583d4d543e3
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
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
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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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.
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