CVE-2025-2746
CRITICAL severity · CVSS 9.8 · CWE-288 · actively exploited (CISA KEV)
9.8CVSS CRITICAL exploited
Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
Added to KEV 2025-10-20. US federal agencies must patch by 2025-11-10.
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)58%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Official patch: https://devnet.kentico.com/download/hotfixes ↗
Additional information
- NVD record
- https://devnet.kentico.com/download/hotfixesPatch
- https://github.com/watchtowrlabs/kentico-xperience13-AuthBypass-wt-2025-0011Advisory
- https://www.vulncheck.com/advisories/kentico-xperience-staging-sync-server-digest-password-authentication-bypassAdvisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2746
- https://labs.watchtowr.com/bypassing-authentication-like-its-the-90s-pre-auth-rce-chain-s-in-kentico-xperience-cms/Advisory