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Fencer Intel
critical 9.8

CVE-2025-2746 kev in the critical feed json

Kentico Xperience <= 13.0.172 Staging Sync Server Digest Password Authentication Bypass

published last yr. modified 4mo ago also EUVD-2025-8008

cvss
9.8
version 3.1, CNA
cisa kev
Exploited
added 2025-10-20
epss
74.1%
EPSS 74.1% chance of exploitation in 30 days, percentile 99.4%
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 password handling of empty SHA1 usernames in digest authentication. Authentication bypass allows an attacker to control administrative objects.This issue affects Xperience through 13.0.172.

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.

Is CVE-2025-2746 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Timeline

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

Known exploited

Added
last yr.
Patch by
2025-11-10 (last yr.)
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
last yr.

Exploit prediction

74.06% chance of exploitation in the next 30 days, higher than 99.4% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template Kentico Xperience 13 CMS - Staging Service Authentication Bypass (WT-2025-0011) 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 Intel 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.