CVE-2025-2747: Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on , 210 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 97.2%
EPSS score, percentile 99.9 of all scored records
- How severe?
- 9.8 Critical
CVSS v3.1 base score, given by the CNA
- What should I do?
CISA deadline . Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Which versions are affected?
Affected
- 13.0.178 and earlier
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
What to do
Required action, set by 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.
CISA due date for this action: .
Advisories and patches
Linked from CISA's catalog entry
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | 13.0.178 and earlier |
Versions not listed are: unaffected.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
About this vulnerability
Kentico Xperience CMS contains an authentication bypass using an alternate path or channel vulnerability that could allow an attacker to control administrative objects.
Summary: CISA's KEV catalog, as of .
- CISA added CVE-2025-2747 to its Known Exploited Vulnerabilities (KEV) catalog on 20 Oct 2025.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 10 Nov 2025.
- The CVE record was published on 24 Mar 2025, 210 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 9.8 (Critical), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 97.2% (percentile 99.9), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of . About the data.
Description
Kentico Xperience <= 13.0.178 Staging Sync Server None Password Type Authentication Bypass
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.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
Weakness
- CWE-288: Authentication Bypass Using an Alternate Path or Channel
Attack patterns (CAPEC)
- CAPEC-115: Authentication Bypass
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| Added to CISA KEV | |
| CISA due date for the required action | |
| CVE record last updated |
References
More exploited Kentico vulnerabilities
- CVE-2025-2749: Kentico Xperience Path Traversal Vulnerability
- CVE-2025-2746: Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Vulnerability
- CVE-2019-10068: Kentico Xperience Deserialization of Untrusted Data Vulnerability