How severe is CVE-2024-2636?

CVE-2024-2636 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-2636 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-2636?

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

Does CVE-2024-2636 have an EU (EUVD) identifier?

Yes. CVE-2024-2636 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-27585.

When was CVE-2024-2636 published?

CVE-2024-2636 was published on 2024-03-19 and last updated on 2026-06-17.

CVE-2024-2636

CVE-2024-2636 is a critical-severity vulnerability with a CVSS 3.x base score of 9.0. 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-27585
Weakness: CWE-434
Published: 2024-03-19
Last modified: 2026-06-17

Description

An Unrestricted Upload of File vulnerability has been found on Cegid Meta4 HR, that allows an attacker to upload malicios files to the server via '/config/espanol/update_password.jsp' file. Modifying the 'M4_NEW_PASSWORD' parameter, an attacker could store a malicious JSP file inside the file directory, to be executed the the file is loaded in the application.

Frequently asked questions

What is CVE-2024-2636?: An Unrestricted Upload of File vulnerability has been found on Cegid Meta4 HR, that allows an attacker to upload malicios files to the server via '/config/espanol/update_password.jsp' file. Modifying the 'M4_NEW_PASSWORD' parameter, an attacker could store a malicious JSP file inside the file directory, to be executed the the file is loaded in the application.
How severe is CVE-2024-2636?: CVE-2024-2636 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-2636 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-2636?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-2636 have an EU (EUVD) identifier?: Yes. CVE-2024-2636 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-27585.
When was CVE-2024-2636 published?: CVE-2024-2636 was published on 2024-03-19 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-meta4-hr-cegid

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