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.
Scoring
- CVSS: 9.8 (CRITICAL, 3.1)
- EPSS exploitation probability: Not yet available
- EPSS percentile: Not yet available
CISA KEV status
- Added to KEV: 2025-10-20
- Remediation due date: 2025-11-10
- Known ransomware campaign use: Unknown
Weakness types (CWE)
- CWE-288
References
- https://devnet.kentico.com/download/hotfixes
- https://github.com/watchtowrlabs/kentico-xperience13-AuthBypass-wt-2025-0011
- https://labs.watchtowr.com/bypassing-authentication-like-its-the-90s-pre-auth-rce-chain-s-in-kentico-xperience-cms/
- https://www.vulncheck.com/advisories/kentico-xperience-staging-sync-server-digest-password-authentication-bypass
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2746
More from Kentico
- CVE-2025-2749 — Kentico Xperience
- CVE-2025-2747 — Xperience CMS
- CVE-2019-10068 — Xperience
More CRITICAL-severity vulnerabilities · All exploited vulnerabilities