CVE-2025-2746

CriticalActively exploited (CISA KEV)

Description

An authentication bypass vulnerability in Kentico Xperience allows authentication bypass via the Staging Sync Server password handling of empty SHA1 usernames in digest authentication. Authentication bypass allows an attacker to control administrative objects.This issue affects Xperience through 13.0.172.

SeverityCritical

CVSS9.8

Exploit probability—

ProductKentico Xperience CMS

PublishedMar 24, 2025

First seenMar 24, 2025

Added to KEVOct 20, 2025

Weakness typeCWE-288CWE-288

How to fix

CISA required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA due date: Nov 10, 2025

Patches

devnet.kentico.com/download/hotfixes

Affected products

Product	Affected versions	Fixed in
kentico xperience	v ≤ 13.0.172	—

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