Kentico Xperience < 13.0.173 Auth Bypass

critical Nessus Plugin ID 271230

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Synopsis

A web content management system on the remote Windows host is affected by an authentication bypass vulnerability.

Description

According to its self-reported version number, the version of Kentico Xperience on the remote Windows host is prior to 13.0.173. It is, therefore, affected by an authentication bypass vulnerability via the Staging Sync Server password handling of empty SHA1 usernames in digest authentication. Authentication bypass allows an attacker to control administrative objects.

Note that Nessus has not attempted to exploit these issues but has instead relied only on the application's self-reported version number.

Solution

Apply Hotfix 13.0.173 or upgrade to the latest available stable version.

Plugin Details

Severity: Critical

ID: 271230

File Name: kentico_xperience_13_0_173.nasl

Version: 1.2

Type: local

Agent: windows

Family: Windows

Published: 10/23/2025

Updated: 10/23/2025

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

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

CVSS Score Source: CVE-2025-2746

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:kentico:kentico_cms, cpe:/a:kentico:xperience

Required KB Items: installed_sw/Kentico CMS, SMB/Registry/Enumerated

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/30/2025

Vulnerability Publication Date: 1/30/2025

CISA Known Exploited Vulnerability Due Dates: 11/10/2025

Reference Information

CVE: CVE-2025-2746

Detections

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