Threats / Kentico / CVE-2025-2747
CVE-2025-2747
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Kentico Xperience CMS vulnerability
Kentico Xperience CMS contains an authentication bypass vulnerability allowing attackers to control administrative objects through an alternate path or channel.
Verdict
Today item — known-exploited.
An unauthenticated or low-privileged attacker can bypass authentication mechanisms in Kentico Xperience CMS to gain administrative control. This vulnerability is actively exploited in the wild and carries high exploitation probability.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
3 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-10-20).
Probability (EPSS)
EPSS 0.91284 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Kentico, Xperience CMS. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-288 Auth Bypass via Alternate Path — weakness family: Authentication.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I discover an alternate authentication path that does not enforce proper credential validation.
Business
Administrative access is compromised without legitimate credentials, enabling unauthorized system control.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I leverage the bypass to access administrative functions and modify critical CMS objects and configurations.
Business
Content integrity is lost; attackers can inject malicious content, modify user accounts, or alter system settings.
3
Lateral reach — past segmentation narrative 3
Attacker
I establish persistence by creating new administrative accounts or modifying existing ones.
Business
Long-term unauthorized access is maintained, complicating incident response and recovery efforts.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05
Coverage & confidence
— what we know, and what we don’tEstablished (cited)
Coverage gaps — stated, not hidden
Disclosure & credit2
Catalogued by VulnCheckCNA
Credited with finding itPiotr Bazydlo (watchTowr)finder