CVE-2025-2747
Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Vulnerability - [Actively Exploited]
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.
INFO
Published Date :
March 24, 2025, 7:15 p.m.
Last Modified :
Oct. 27, 2025, 4:59 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Kentico Xperience CMS contains an authentication bypass using an alternate path or channel vulnerability that could allow an attacker to control administrative objects.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
https://devnet.kentico.com/download/hotfixes ; https://nvd.nist.gov/vuln/detail/CVE-2025-2747
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Update Kentico Xperience to the latest version.
- Review Kentico Xperience security configuration.
Public PoC/Exploit Available at Github
CVE-2025-2747 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-2747.
| URL | Resource |
|---|---|
| https://devnet.kentico.com/download/hotfixes | Patch |
| https://github.com/watchtowrlabs/kentico-xperience13-AuthBypass-wt-2025-0011 | Third Party Advisory |
| https://labs.watchtowr.com/bypassing-authentication-like-its-the-90s-pre-auth-rce-chain-s-in-kentico-xperience-cms/ | Exploit Third Party Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2747 | US Government Resource |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-2747 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-2747
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
A repo for output of an intrusion prediction project
Jupyter Notebook Python Standard ML
None
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-2747 vulnerability anywhere in the article.
-
Help Net Security
CISA warns of Windows SMB flaw under active exploitation (CVE-2025-33073)
CVE-2025-33073, a Windows SMB Client vulnerability that Microsoft fixed in June 2025, is being exploited by attackers. The confirmation comes from the Cybersecurity and Infrastructure Security Agency ... Read more
-
The Hacker News
Five New Exploited Bugs Land in CISA's Catalog — Oracle and Microsoft Among Targets
Oct 20, 2025Ravie LakshmananThreat Intelligence / Data Security The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added five security flaws to its Known Exploited Vulnerabil ... Read more
-
security.nl
Beveiligingslekken in Windows SMB-client en Kentico Xperience actief misbruikt
Kwetsbaarheden in de SMB-client van Windows en Kentico Xperience worden actief misbruikt bij aanvallen, zo waarschuwt het Amerikaanse cyberagentschap CISA. Microsoft kwam op 10 juni met beveiligingsup ... Read more
The following table lists the changes that have been made to the
CVE-2025-2747 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Modified Analysis by [email protected]
Oct. 27, 2025
Action Type Old Value New Value Added Reference Type CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2747 Types: US Government Resource -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 21, 2025
Action Type Old Value New Value Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2747 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 21, 2025
Action Type Old Value New Value Removed Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2747 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 21, 2025
Action Type Old Value New Value Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2747 -
CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725
Oct. 21, 2025
Action Type Old Value New Value Added Date Added 2025-10-20 Added Due Date 2025-11-10 Added 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. Added Vulnerability Name Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Vulnerability -
Initial Analysis by [email protected]
Oct. 16, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:kentico:xperience:*:*:*:*:*:*:*:* versions up to (including) 13.0.178 Added Reference Type VulnCheck: https://devnet.kentico.com/download/hotfixes Types: Patch Added Reference Type VulnCheck: https://github.com/watchtowrlabs/kentico-xperience13-AuthBypass-wt-2025-0011 Types: Third Party Advisory Added Reference Type VulnCheck: https://labs.watchtowr.com/bypassing-authentication-like-its-the-90s-pre-auth-rce-chain-s-in-kentico-xperience-cms/ Types: Exploit, Third Party Advisory -
CVE Modified by [email protected]
Sep. 23, 2025
Action Type Old Value New Value Added CWE CWE-288 Removed CWE CWE-287 -
New CVE Received by [email protected]
Mar. 24, 2025
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-287 Added Reference https://devnet.kentico.com/download/hotfixes Added Reference https://github.com/watchtowrlabs/kentico-xperience13-AuthBypass-wt-2025-0011 Added Reference https://labs.watchtowr.com/bypassing-authentication-like-its-the-90s-pre-auth-rce-chain-s-in-kentico-xperience-cms/