Detections
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Veeam ONE < 13.1.0.7233 (kb4905)

critical Nessus Plugin ID 339475

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Synopsis

The version of Veeam ONE installed on the remote host is affected by a vulnerability.

Description

The version of Veeam ONE installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the kb4905 advisory.

 - A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from the service account. (CVE-2026-65641)

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 ONE version 13.1.0.7233 or later.

See Also

https://www.veeam.com/kb4905

Plugin Details

Severity: Critical

ID: 339475

File Name: veeam_one_kb4905.nasl

Version: 1.1

Type: Local

Agent: windows

Family: Windows

Published: 8/25/2026

Updated: 8/25/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.19

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2026-65641

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 7.9

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: cpe:/a:veeam:one

Required KB Items: SMB/Registry/Enumerated, installed_sw/Veeam ONE

Exploit Ease: No known exploits are available

Patch Publication Date: 8/25/2026

Vulnerability Publication Date: 8/25/2026

Reference Information

CVE: CVE-2026-65641