How severe is CVE-2024-5420?

CVE-2024-5420 has a CVSS 4.0 base score of 8.3, rated high severity.

Is CVE-2024-5420 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-5420?

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-2024-5420 have an EU (EUVD) identifier?

Yes. CVE-2024-5420 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-46642.

When was CVE-2024-5420 published?

CVE-2024-5420 was published on 2024-06-04 and last updated on 2026-06-17.

CVE-2024-5420

CVE-2024-5420 is a high-severity vulnerability with a CVSS 4.0 base score of 8.3. 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-79.

Key facts

Severity: High (CVSS 4.0 base score 8.3)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-46642
Weakness: CWE-79
Published: 2024-06-04
Last modified: 2026-06-17

Description

Missing input validation in the SEH Computertechnik utnserver Pro, SEH Computertechnik utnserver ProMAX, SEH Computertechnik INU-100 web-interface allows stored Cross-Site Scripting (XSS)..This issue affects utnserver Pro, utnserver ProMAX, INU-100 version 20.1.22 and below.

Frequently asked questions

What is CVE-2024-5420?: Missing input validation in the SEH Computertechnik utnserver Pro, SEH Computertechnik utnserver ProMAX, SEH Computertechnik INU-100 web-interface allows stored Cross-Site Scripting (XSS)..This issue affects utnserver Pro, utnserver ProMAX, INU-100 version 20.1.22 and below.
How severe is CVE-2024-5420?: CVE-2024-5420 has a CVSS 4.0 base score of 8.3, rated high severity.
Is CVE-2024-5420 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-5420?: 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-2024-5420 have an EU (EUVD) identifier?: Yes. CVE-2024-5420 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-46642.
When was CVE-2024-5420 published?: CVE-2024-5420 was published on 2024-06-04 and last updated on 2026-06-17.

References

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

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CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

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