CVE-2025-2746criticalunder attackCWE-288

CVE-2025-2746: critical vulnerability in Kentico Xperience

Kentico Xperience <= 13.0.172 Staging Sync Server Digest Password Authentication Bypass

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100Vexday Risk Score

Patch now. It under exploitation confirmed by CISA and has a working public exploit.

ssvc Actcvss 9.8epss 74%
from disclosure to weapon594 days
Published on NVDMar 24
1st PoC+594d
CISA KEV+210d
Action required by CISAfederal deadline: 2025-11-10

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

In short

Kentico Xperience has a critical flaw in its Staging Sync Server that allows attackers to bypass password authentication by exploiting how it handles empty usernames in digest authentication. This lets attackers gain administrative access without knowing the correct password.

Technical detail

The vulnerability exists in the digest authentication mechanism of Kentico Xperience's Staging Sync Server, where improper handling of empty SHA1 usernames allows authentication bypass. An attacker can craft a malicious digest authentication request to gain unauthorized administrative access to control sensitive objects, affecting versions through 13.0.172.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Kentico · Xperience
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