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CVE-2024-40711

Veeam Backup and Replication Deserialization

9.8 CRITICALActively exploited (CISA KEV)Used in ransomwarePublic exploitEPSS 90.4%
  1. Published7 Sept 2024
  2. Added to CISA KEV17 Oct 2024
  3. Remediation due7 Nov 2024
Actively exploited (CISA KEV)

Veeam Backup and Replication contains a deserialization vulnerability allowing an unauthenticated user to perform remote code execution.

Added to KEV: 17 Oct 2024Federal remediation due: 7 Nov 2024Used in ransomware

Description

A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE).

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Veeam Backup & Replication≥ 12.0.0.1420 < 12.2.0.334

Remediation

Fixed in
Veeam Backup & Replication≥ 12.2.0.334
Patch & vendor advisories

References

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Frequently asked

Is CVE-2024-40711 being actively exploited?

Yes. CVE-2024-40711 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 17 Oct 2024. It has been used in ransomware campaigns.

How severe is CVE-2024-40711?

CVE-2024-40711 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 90.4% probability of exploitation.

Which products are affected by CVE-2024-40711?

Affected products include Veeam Backup & Replication.

How do I fix CVE-2024-40711?

Upgrade affected software to a fixed version, for example Veeam Backup & Replication 12.2.0.334 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-40711 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.