CISA KEV · Known exploitedCritical

CVE-2024-40711

Veeam Backup & Replication

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

CVSS
9.8
EPSS
90.4%
99.8% percentile
CISA KEV
Listed
Published
2024.09.08
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability90.4%
Technical severityCVSS 9.8

Vulnerability overview

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

Affected product and versions

Product
Veeam Backup & Replication
Affected versions
12.1.2, >= 12.0.0.1420 < 12.2.0.334
Fixed versions
12.2.0.334

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Due date: 2024.11.07
  1. 1
    Identify

    Confirm that Veeam Backup & Replication and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-502
KEV added
2024.10.17
Ransomware use
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