# CVE-2024-40711: Veeam Backup and Replication Deserialization Vulnerability

Source: https://junglewise.ai/threats/cve-2024-40711-veeam-backup-and-replication-deserialization-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-10-17. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

CVE-2024-40711 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2024-10-17

Veeam Backup and Replication contains a deserialization of untrusted data vulnerability. An unauthenticated remote attacker can exploit this by sending a malicious payload to achieve remote code execution (RCE).

Technologies: [Nakivo Backup](https://junglewise.ai/threats/technologies/backup), [Nakivo Replication](https://junglewise.ai/threats/technologies/replication), [Veeam Backup & Replication](https://junglewise.ai/threats/technologies/backup-replication). Vendors: [Nakivo](https://junglewise.ai/threats/vendors/nakivo), [Veeam](https://junglewise.ai/threats/vendors/veeam).

## Quick answers

**Is CVE-2024-40711 exploited in the wild?** Yes. CVE-2024-40711 is known to be exploited in the wild, first recorded on 17 October 2024. Treat it as urgent.

**How severe is CVE-2024-40711?** Critical severity, with a CVSS score of 9.8, published 17 October 2024.

**Which products and versions are affected?** Veeam Veeam Backup & Replication From 12.0.0.1420 up to (excluding) 12.2.0.334.

**Is there a fix for CVE-2024-40711?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2024-40711 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2024-40711?** Check whether you run Nakivo Backup, Nakivo Replication or Veeam Backup & Replication. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Veeam Veeam Backup & Replication From 12.0.0.1420 up to (excluding) 12.2.0.334

## Timeline

- 2024-09-07: disclosed: NVD Published Date
- 2024-10-17: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2024-10-17: advisory: Veeam KB4649 published/updated

## Related threats

- [Veeam Backup & Replication authorization bypass in CDP Coordinator](https://junglewise.ai/threats/cve-2026-108142-a-vulnerability-allowing-an-unauthenticated-attacker-to-bypass)
- [Veeam Backup & Replication path traversal in restore](https://junglewise.ai/threats/cve-2026-108141-a-vulnerability-allowing-an-authenticated-user-with-the-restore)
- [Veeam Backup & Replication path traversal via restore operator](https://junglewise.ai/threats/cve-2026-108140-a-vulnerability-allowing-an-authenticated-user-with-the-restore)
- [Veeam Backup & Replication privilege escalation in Enterprise Manager](https://junglewise.ai/threats/cve-2026-93026-this-vulnerability-in-veeam-backup-replication-allows-a-backup)
- [Veeam Backup & Replication arbitrary file read in Cloud Connect](https://junglewise.ai/threats/cve-2026-58069-this-vulnerability-in-veeam-backup-replication-allows-an)