What is CVE-2024-42455?

CVE-2024-42455 is a high-severity vulnerability in Veeam Backup & Replication, classified under Missing Authentication for Critical Function. CVSS score: 8.1/10. Published 2024-12-04.

How severe is CVE-2024-42455?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Veeam Backup & Replication

CVE-2024-42455

A vulnerability in Veeam Backup & Replication allows a low-privileged user to connect to remoting services and exploit insecure deserialization by sending a serialized temporary file collection. This exploit allows the attacker to delete a…

Vulnerability class: Broken Authentication

EPSS: 0.151 (96.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Veeam Backup & Replication — versions 12.2
Veeam Veeam_backup_\&_replication

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

support@hackerone.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-42455?: CVE-2024-42455 is a high-severity vulnerability in Veeam Backup & Replication, classified under Missing Authentication for Critical Function. CVSS score: 8.1/10. Published 2024-12-04.
How severe is CVE-2024-42455?: High severity. CVSS v3 base score is 8.1 out of 10.