CVE-2024-40711

Name: CVE-2024-40711
Creator: NVD / NIST
Published: 2024-09-07T17:15:13.26+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10Actively ExploitedEPSS 88.19%

Last modified Jun 17, 2026

CVE-2024-40711 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE).. CISA has confirmed active exploitation in the wild. EPSS estimates a 88.19% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

88.19%

99.7th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Nov 7, 2024.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Veeam	Veeam Backup \& Replication	>= 12.0.0.1420, < 12.2.0.334

References

https://www.veeam.com/kb4649Vendor Advisory
https://labs.watchtowr.com/veeam-backup-response-rce-with-auth-but-mostly-without-auth-cve-2024-40711-2/Exploit, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-40711US Government Resource

Timeline

Published: Sep 7, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

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 score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 88.19% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2024-40711?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-40711?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST