How severe is CVE-2024-40711?

CVE-2024-40711 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-40711 being actively exploited?

Yes. CVE-2024-40711 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-10-17, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2024-40711?

CVE-2024-40711 affects Veeam Veeam Backup & Replication. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-40711?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2024-40711 have an EU (EUVD) identifier?

Yes. CVE-2024-40711 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38578. It is also flagged as exploited in the EUVD (since 2024-10-17).

When was CVE-2024-40711 published?

CVE-2024-40711 was published on 2024-09-07 and last updated on 2026-06-17.

CVE-2024-40711

CVE-2024-40711 is a critical-severity vulnerability in Veeam Veeam Backup & Replication with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2024-10-17). The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 90% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2024-10-17)
EU (EUVD) id: EUVD-2024-38578
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2024-10-17)
Weakness: CWE-502
Affected product: Veeam Veeam Backup & Replication
Published: 2024-09-07
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2024-40711?: A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE).
How severe is CVE-2024-40711?: CVE-2024-40711 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-40711 being actively exploited?: Yes. CVE-2024-40711 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-10-17, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2024-40711?: CVE-2024-40711 affects Veeam Veeam Backup & Replication. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-40711?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2024-40711 have an EU (EUVD) identifier?: Yes. CVE-2024-40711 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38578. It is also flagged as exploited in the EUVD (since 2024-10-17).
When was CVE-2024-40711 published?: CVE-2024-40711 was published on 2024-09-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:*

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