How severe is CVE-2024-5400?

CVE-2024-5400 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-5400 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-5400?

CVE-2024-5400 primarily affects Openfind Mail2000. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-5400?

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-2024-5400 have an EU (EUVD) identifier?

Yes. CVE-2024-5400 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-46623.

When was CVE-2024-5400 published?

CVE-2024-5400 was published on 2024-05-27 and last updated on 2026-06-17.

CVE-2024-5400

CVE-2024-5400 is a high-severity vulnerability in Openfind Mail2000 with a CVSS 3.x base score of 8.8. 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-46623
Weakness: CWE-78
Affected product: Openfind Mail2000
Published: 2024-05-27
Last modified: 2026-06-17

Description

Openfind Mail2000 does not properly filter parameters of specific CGI. Remote attackers with regular privileges can exploit this vulnerability to execute arbitrary system commands on the remote server.

Frequently asked questions

What is CVE-2024-5400?: Openfind Mail2000 does not properly filter parameters of specific CGI. Remote attackers with regular privileges can exploit this vulnerability to execute arbitrary system commands on the remote server.
How severe is CVE-2024-5400?: CVE-2024-5400 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-5400 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-5400?: CVE-2024-5400 primarily affects Openfind Mail2000. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-5400?: 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-2024-5400 have an EU (EUVD) identifier?: Yes. CVE-2024-5400 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-46623.
When was CVE-2024-5400 published?: CVE-2024-5400 was published on 2024-05-27 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-7819-9661a-1.html

Affected products (3)

cpe:2.3:a:openfind:mail2000:6.0:*:*:*:*:*:*:*
cpe:2.3:a:openfind:mail2000:7.0:*:*:*:*:*:*:*
cpe:2.3:a:openfind:mail2000:8.0:*:*:*:*:*:*:*

More vulnerabilities in Openfind Mail2000

CVE-2024-5399 — High (CVSS 7.2): Openfind Mail2000 does not properly filter parameters of specific API. Remote attackers with administrative privileges…
CVE-2020-12776 — Medium (CVSS 6.6): Openfind Mail2000 contains Broken Access Control vulnerability, which can be used to execute unauthorized commands…
CVE-2024-6740 — Medium (CVSS 6.1): Openfind's Mail2000 does not properly validate email atachments, allowing unauthenticated remote attackers to inject…
CVE-2019-15073 — Medium (CVSS 6.1): An Open Redirect vulnerability for all browsers in MAIL2000 through version 6.0 and 7.0, which will redirect to a…
CVE-2019-15072 — Medium (CVSS 6.1): The login feature in "/cgi-bin/portal" in MAIL2000 through version 6.0 and 7.0 has a cross-site scripting (XSS)…
CVE-2019-15071 — Medium (CVSS 6.1): The "/cgi-bin/go" page in MAIL2000 through version 6.0 and 7.0 has a cross-site scripting (XSS) vulnerability, allowing…

All CVEs affecting Openfind Mail2000 →

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