How severe is CVE-2024-4538?

CVE-2024-4538 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 high, integrity none, and availability none.

Is CVE-2024-4538 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-4538?

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-2024-4538 have an EU (EUVD) identifier?

Yes. CVE-2024-4538 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-44151.

When was CVE-2024-4538 published?

CVE-2024-4538 was published on 2024-05-07 and last updated on 2026-06-17.

CVE-2024-4538

CVE-2024-4538 is a high-severity vulnerability 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-639.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-44151
Weakness: CWE-639
Published: 2024-05-07
Last modified: 2026-06-17

Description

IDOR vulnerability in Janto Ticketing Software affecting version 4.3r10. This vulnerability could allow a remote user to obtain a user's event ticket by creating a specific request with the ticket reference ID, leading to the exposure of sensitive user data.

Frequently asked questions

What is CVE-2024-4538?: IDOR vulnerability in Janto Ticketing Software affecting version 4.3r10. This vulnerability could allow a remote user to obtain a user's event ticket by creating a specific request with the ticket reference ID, leading to the exposure of sensitive user data.
How severe is CVE-2024-4538?: CVE-2024-4538 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 high, integrity none, and availability none.
Is CVE-2024-4538 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-4538?: 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-2024-4538 have an EU (EUVD) identifier?: Yes. CVE-2024-4538 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-44151.
When was CVE-2024-4538 published?: CVE-2024-4538 was published on 2024-05-07 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-janto-ticketing-software

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