CVE-2025-2747: Kentico Xperience · Authentication Bypass Using an Alternate Path or Channel
Affects Kentico XperienceSource CVE Database V5
Exploited in the wild · KEV due 10 Nov 2025 · public detection template (Nuclei) · 97% EPSS : apply the vendor's fix or mitigations to Kentico Xperience now.
Data as of 26 Oct 2026, 08:30 UTC
- KEV deadline
- US federal agencies must patch by this date; a sensible deadline for everyone else.
- EPSS
- 97.1% chance of exploitation in 30 days – higher than 99% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 24 Mar 2025
Detectable: evidence found.
nuclei template: Kentico Xperience 13 CMS - Staging Service Authentication Bypass (WT-2025-0006)
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: evidence found.
Listed in CISA KEV 210 days after disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by VulnCheck
, 2 hours before disclosure
CVE published
on cve.org
, t = 0
Added to CISA KEV (opens in a new tab)
exploitation confirmed
, 210 days after disclosure
KEV remediation due
US federal deadline
, 231 days after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Kentico Xperience | Affected
| Fixed in– |
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.
References
- labs.watchtowr.com/bypassing-authentication-like-its-the-90s-pre-auth-rce-chain-s-in-kentico-xperience-cms/ (opens in a new tab)
- devnet.kentico.com/download/hotfixes (opens in a new tab)
- github.com/watchtowrlabs/kentico-xperience13-AuthBypass-wt-2025-0011 (opens in a new tab)
- vulncheck.com/advisories/kentico-xperience-staging-sync-server-none-password-type-authentication-bypass (opens in a new tab)
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2747 (opens in a new tab)