CVE-2025-48983

CRITICAL

Published Oct 31, 2025 Modified Dec 1, 2025 CWE-284

Description

A vulnerability in the Mount service of Veeam Backup & Replication, which allows for remote code execution (RCE) on the Backup infrastructure hosts by an authenticated domain user.

CVSS v3.1 Score

9.9

CRITICAL

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

Weakness Type (CWE)

CWE-284 CWE-284

Affected Products

Vendor	Product	Versions
veeam	veeam_backup_\&_replication	12.0.0.1402 — 12.3.2.4165

References

Advisories & Patches

https://www.veeam.com/kb4771

Frequently Asked Questions

What is CVE-2025-48983? +

A vulnerability in the Mount service of Veeam Backup & Replication, which allows for remote code execution (RCE) on the Backup infrastructure hosts by an authenticated domain user. It has a CVSS v3.1 base score of 9.9 (CRITICAL).

How severe is CVE-2025-48983? +

CVE-2025-48983 has a CVSS v3.1 score of 9.9 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-48983? +

CVE-2025-48983 affects products from veeam, specifically: veeam_backup_\&_replication. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-48983? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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