CVE-2025-2747
CVE-2025-2747 is a critical-severity vulnerability in Kentico Xperience with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-10-20). The underlying weakness is classified as CWE-288.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 92% (100th percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2025-10-20)
- EU (EUVD) id: EUVD-2025-8009
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2025-10-20)
- Weakness: CWE-288
- Affected product: Kentico Xperience
- Published:
- Last modified:
Description
An authentication bypass vulnerability in Kentico Xperience allows authentication bypass via the Staging Sync Server component password handling for the server defined None type. Authentication bypass allows an attacker to control administrative objects.This issue affects Xperience through 13.0.178.
Frequently asked questions
- What is CVE-2025-2747?
- An authentication bypass vulnerability in Kentico Xperience allows authentication bypass via the Staging Sync Server component password handling for the server defined None type. Authentication bypass allows an attacker to control administrative objects.This issue affects Xperience through 13.0.178.
- How severe is CVE-2025-2747?
- CVE-2025-2747 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-2747 being actively exploited?
- Yes. CVE-2025-2747 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-10-20, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2025-2747?
- CVE-2025-2747 affects Kentico Xperience. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-2747?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2025-2747 have an EU (EUVD) identifier?
- Yes. CVE-2025-2747 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8009. It is also flagged as exploited in the EUVD (since 2025-10-20).
- When was CVE-2025-2747 published?
- CVE-2025-2747 was published on 2025-03-24 and last updated on 2026-06-17.
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-none-password-type-authentication-bypass
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2747
Affected products (1)
- cpe:2.3:a:kentico:xperience:*:*:*:*:*:*:*:*
More vulnerabilities in Kentico Xperience
- CVE-2025-2746 — Critical (CVSS 9.8): An authentication bypass vulnerability in Kentico Xperience allows authentication bypass via the Staging Sync Server…
- CVE-2019-10068 — Critical (CVSS 9.8): An issue was discovered in Kentico 12.0.x before 12.0.15, 11.0.x before 11.0.48, 10.0.x before 10.0.52, and 9.x…
- CVE-2017-17736 — Critical (CVSS 9.8): Kentico 9.0 before 9.0.51 and 10.0 before 10.0.48 allows remote attackers to obtain Global Administrator access by…
- CVE-2019-12102 — Critical (CVSS 9.1): Kentico 11 through 12 lets attackers upload and explore files without authentication via the…
- CVE-2021-47711 — High (CVSS 8.8): A SQL injection vulnerability in Kentico Xperience allows authenticated editors to inject malicious SQL queries via…
- CVE-2019-25229 — High (CVSS 8.8): An unrestricted file upload vulnerability in Kentico Xperience allows authenticated users with 'Read data' permissions…
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