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Fencer Vulns
critical 9.8

CVE-2025-2747 kev in the critical feed json

Kentico Xperience <= 13.0.178 Staging Sync Server None Password Type Authentication Bypass

published 2025-03-24 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-8009

cvss
9.8
version 3.1, CNA
cisa kev
Exploited
added 2025-10-20
epss
97.2%
EPSS 97.2% chance of exploitation in 30 days, percentile 99.8%
public exploits
0
none known, plus a Nuclei check

Summary

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.

Patch / fix

cisa 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.

Timeline

  1. Published
  2. Added to CISA KEV
  3. CISA SSVC: exploitation active
  4. CISA patch deadline

Known exploited

Added
12 mo ago
Patch by
2025-11-10 (11 mo ago)
Ransomware
Not known
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.
Vendor, product
Kentico, Xperience CMS
CISA name
Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
yes
Technical impact
total
Assessed
12 mo ago

Exploit prediction

97.17% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Kentico Xperience 13 CMS - Staging Service Authentication Bypass (WT-2025-0006) nuclei detection template
  • labs.watchtowr.com https://labs.watchtowr.com/bypassing-authentication-like-its-the-90s-pre-auth-rce-chain-s-in-kentico-xperience-cms/ referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/watchtowrlabs/kentico-xperience13-AuthBypass-wt-2025-0011 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Kentico Xperience

Classification

Weakness
  • CWE-288 Authentication Bypass Using an Alternate Path or Channel

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.