known ransomware use

Veeam Backup and Replication Deserialization Vulnerability

Added to KEV
2024-10-17
Federal due date
2024-11-07
Vendor
Veeam
Product
Backup & Replication
EPSS
98.7th percentile (score 0.705, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Known
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2024-40711

CISA short description

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

Required action

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

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.