How severe is CVE-2023-53934?

CVE-2023-53934 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-53934 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-53934?

CVE-2023-53934 affects Kentico Xperience. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-53934?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-53934 have an EU (EUVD) identifier?

Yes. CVE-2023-53934 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204344.

When was CVE-2023-53934 published?

CVE-2023-53934 was published on 2025-12-18 and last updated on 2026-06-17.

CVE-2023-53934

CVE-2023-53934 is a high-severity vulnerability in Kentico Xperience with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-97.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-204344
Weakness: CWE-97
Affected product: Kentico Xperience
Published: 2025-12-18
Last modified: 2026-06-17

Description

A denial of service vulnerability in Kentico Xperience allows attackers to launch DoS attacks via specially crafted requests to the GetResource handler. Improper input validation enables remote attackers to potentially disrupt service availability through maliciously constructed requests.

Frequently asked questions

What is CVE-2023-53934?: A denial of service vulnerability in Kentico Xperience allows attackers to launch DoS attacks via specially crafted requests to the GetResource handler. Improper input validation enables remote attackers to potentially disrupt service availability through maliciously constructed requests.
How severe is CVE-2023-53934?: CVE-2023-53934 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-53934 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-53934?: CVE-2023-53934 affects Kentico Xperience. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-53934?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-53934 have an EU (EUVD) identifier?: Yes. CVE-2023-53934 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204344.
When was CVE-2023-53934 published?: CVE-2023-53934 was published on 2025-12-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kentico:xperience:*:*:*:*:*:*:*:*

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