Xperience
CVE-2025-2746
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Alternate path authentication
|
| Impact | Critical risk (CVSS 9.8, EPSS 84.3%). Kentico Xperience is a digital experience platform used by enterprises. Gaining administrative object control allows content manipulation, user account creation, and potentially code execution. |
| Exploit ScenarioDerived | An attacker sends digest authentication requests with crafted empty SHA1 values to the Staging Sync Server. The authentication bypass grants access to staging operations, enabling the attacker to push malicious content or configuration changes. |
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Alert meAnalysisAIv1 – Mar 28, 2026
Kentico Xperience through 13.0.172 contains an authentication bypass in the Staging Sync Server through empty SHA1 username handling in digest authentication, allowing administrative object control.
Earlier versions of this analysis (1)
An authentication bypass in Kentico Xperience's Staging Sync Server allows attackers to bypass digest authentication by exploiting empty SHA1 username handling, gaining control over administrative objects.
RemediationAI
Update to Kentico Xperience 13.0.173+. Restrict access to the Staging Sync Server endpoint. Audit for unauthorized staging operations.
Affects your stack
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Technical ContextAI · show details
The CWE-288 authentication bypass exploits the digest authentication implementation where an empty SHA1 hash for the username field matches a specific validation condition, allowing the attacker to authenticate without valid credentials.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
4DescriptionCVE.org
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.
Executive ViewAI
Organizations using An authentication bypass vulnerability in Kentico Xperience face critical risk from CVE-2025-2746 rated CVSS 9.8. Successful exploitation could critically impact the confidentiality, integrity, and availability of affected systems. This vulnerability is actively exploited in the wild (KEV-listed) and requires immediate remediation. A patch is available and should be applied immediately given the critical severity.
Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.
Threat Intelligence Overview
NVD
CVE.org
CISA KEV
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)CVE.org
Kentico Xperience contains a second authentication bypass in the Staging Sync Server through None-type password handling
Remote code execution in Kentico Xperience CMS versions through 13.0.178 allows authenticated administrators to upload a
An issue was discovered in Kentico 12.0.x before 12.0.15, 11.0.x before 11.0.48, 10.0.x before 10.0.52, and 9.x versions
Kentico 9.0 through 11.0 has a stack-based buffer overflow via the SqlName, SqlPswd, Database, UserName, or Password fie
Kentico v10.0.42 allows Global Administrators to read the cleartext SMTP Password by navigating to the SMTP configuratio
Arbitrary code execution vulnerability in Kentico 9 through 11 allows remote authenticated users to execute arbitrary op
Kentico Xperience before 13.0.181 allows authenticated users to distribute malicious content (for stored XSS) via certai
The Kentico Xperience application does not fully validate or filter files uploaded via the multiple-file upload function
The Kentico Xperience CMS version 13.0 - 13.0.43 is vulnerable to a persistent Cross-Site Scripting (XSS) vulnerability
Kentico before 12.0.50 allows file uploads in which the Content-Type header is inconsistent with the file extension, lea
Kentico 11 through 12 lets attackers upload and explore files without authentication via the cmsmodules/medialibrary/for
An unsafe reflection vulnerability in Kentico Xperience allows an unauthenticated attacker to kill the current process,
Exploit-DB