Detections
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Veeam Backup and Replication < 12.3.2 (kb4934)

medium Nessus Plugin ID 363418

Synopsis

The version of Veeam Backup and Replication installed on the remote host is affected by a vulnerability.

Description

The version of Veeam Backup and Replication installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the kb4934 advisory.

 - A reflected cross-site scripting vulnerability in Veeam Backup Enterprise Manager allows an attacker to execute script in the browser of an authenticated portal user who opens a crafted link. (CVE-2025-64392)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Veeam Backup and Replication version 12.3.2 or later.

See Also

https://www.veeam.com/kb4934

Plugin Details

Severity: Medium

ID: 363418

File Name: veeam_backup_and_replication_kb4934.nasl

Version: 1.1

Type: Local

Agent: windows

Family: Windows

Published: 10/6/2026

Updated: 10/6/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 10.07

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2025-64392

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 4.8

Threat Score: 1.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Vulnerability Information

CPE: cpe:/a:veeam:backup_and_replication

Required KB Items: SMB/Registry/Enumerated, installed_sw/Veeam Backup and Replication

Exploit Ease: No known exploits are available

Patch Publication Date: 10/6/2026

Vulnerability Publication Date: 10/6/2026

Reference Information

CVE: CVE-2025-64392