How severe is CVE-2024-3191?

CVE-2024-3191 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-3191 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-3191?

CVE-2024-3191 affects Mailcleaner. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-3191?

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-2024-3191 have an EU (EUVD) identifier?

Yes. CVE-2024-3191 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31783.

When was CVE-2024-3191 published?

CVE-2024-3191 was published on 2024-04-29 and last updated on 2026-06-17.

CVE-2024-3191

CVE-2024-3191 is a critical-severity vulnerability in Mailcleaner with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-31783
Weakness: CWE-78
Affected product: Mailcleaner
Published: 2024-04-29
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, has been found in MailCleaner up to 2023.03.14. This issue affects some unknown processing of the component Email Handler. The manipulation leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-262307.

Frequently asked questions

What is CVE-2024-3191?: A vulnerability, which was classified as critical, has been found in MailCleaner up to 2023.03.14. This issue affects some unknown processing of the component Email Handler. The manipulation leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-262307.
How severe is CVE-2024-3191?: CVE-2024-3191 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-3191 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-3191?: CVE-2024-3191 affects Mailcleaner. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-3191?: 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-2024-3191 have an EU (EUVD) identifier?: Yes. CVE-2024-3191 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31783.
When was CVE-2024-3191 published?: CVE-2024-3191 was published on 2024-04-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mailcleaner:mailcleaner:*:*:*:*:community:*:*:*

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