CVE-2025-2746
Kentico Xperience
Published 24 Mar 2025 · updated 17 Jun 2026 · Analyzed
9.8 Critical · CVSS 3.1, vulncheck.com
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 20 Oct 2025, with a remediation deadline of 10 Nov 2025 for US federal agencies.
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.
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.
References
- devnet.kentico.com/download/hotfixes · Patch
- github.com/watchtowrlabs/kentico-xperience13-AuthBypass-wt-2025-0011 · Third Party Advisory
- labs.watchtowr.com/bypassing-authentication-like-its-the-90s-pre-auth-rce-chain-s-in-kentico-xperience-cms/ · Exploit, Third Party Advisory
- www.vulncheck.com/advisories/kentico-xperience-staging-sync-server-digest-password-authentication-bypass · Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2746 · US Government Resource