Vulnerability details
CVE-2025-2746
Actively exploited
Kentico Xperience
Kentico Xperience <= 13.0.172 Staging Sync Server Digest Password Authentication Bypass
CVSS 3.1
9.8Critical
Remedy
Required action (CISA): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. (due: 2025-11-10)
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.8Critical | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Kentico | Xperience | v ≤ 13.0.172 | CVEProject cvelistV5 (CNA) |
References and advisories
5- https://labs.watchtowr.com/bypassing-authentication-like-its-the-90s-pre-auth-rce-chain-s-in-kentico-xperience-cms/ technical-descriptionexploit
- https://devnet.kentico.com/download/hotfixes vendor-advisorypatch
- https://github.com/watchtowrlabs/kentico-xperience13-AuthBypass-wt-2025-0011 exploit
- https://www.vulncheck.com/advisories/kentico-xperience-staging-sync-server-digest-password-authentication-bypass third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2746 government-resource
Kolun on Telegram @kolunsec
Exploited CVEs, key news and a daily digest
Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.
Details
- Published
- 2025-03-24
- Last updated
- 2026-02-26
- State
- Published
- Assigner (CNA)
- VulnCheck
- Kolun priority
- 90 · Critical
CISA KEV catalog
- Date added
- 2025-10-20
- Due date
- 2025-11-10
- Used in ransomware
- Unknown
Exploit prediction (EPSS)
74.05%
Probability of exploitation in 30 days
99.4%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Active
- Technical impact
- Total
Weaknesses (CWE)
- CWE-288Authentication Bypass Using an Alternate Path or Channel