Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Vulnerability
Kentico — Xperience
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.
9.8
58.4%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- Mar 24, 2025
- Modified
- Feb 26, 2026
- Added to KEV
- Oct 20, 2025
- Federal patch due
- Nov 10, 2025
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.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2025-2746, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2025-2746 were found at last check. Absence here is not proof no exploit exists - see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is CVE-2025-2746?
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.
How severe is CVE-2025-2746?
CVE-2025-2746 has a CVSS base score of 9.8 out of 10 (CVSS 3.1).
Is CVE-2025-2746 actively exploited in the wild?
Yes. CVE-2025-2746 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Oct 20, 2025, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2025-2746?
58.4% - meaning FIRST.org's EPSS model estimates a 58.4% probability this vulnerability will be exploited in the wild within 30 days (99% percentile among all scored CVEs).
Is there exploit tooling available for CVE-2025-2746?
Yes - a public Nuclei template referencing CVE-2025-2746 exist in public repositories we checked.
What type of vulnerability is CVE-2025-2746?
CVE-2025-2746 is classified under CWE-288 (CWE-288 Authentication Bypass Using an Alternate Path or Channel).
Cross-checked against
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