How severe is CVE-2025-43918?

CVE-2025-43918 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-43918 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-43918?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-43918 have an EU (EUVD) identifier?

Yes. CVE-2025-43918 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11946.

When was CVE-2025-43918 published?

CVE-2025-43918 was published on 2025-04-19 and last updated on 2026-06-17.

CVE-2025-43918

CVE-2025-43918 is a medium-severity vulnerability with a CVSS 3.x base score of 6.4. 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-348.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-11946
Weakness: CWE-348
Published: 2025-04-19
Last modified: 2026-06-17

Description

SSL.com before 2025-04-19, when domain validation method 3.2.2.4.14 is used, processes certificate requests such that a trusted TLS certificate may be issued for the domain name of a requester's email address, even when the requester does not otherwise establish administrative control of that domain.

Frequently asked questions

What is CVE-2025-43918?: SSL.com before 2025-04-19, when domain validation method 3.2.2.4.14 is used, processes certificate requests such that a trusted TLS certificate may be issued for the domain name of a requester's email address, even when the requester does not otherwise establish administrative control of that domain.
How severe is CVE-2025-43918?: CVE-2025-43918 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-43918 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-43918?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-43918 have an EU (EUVD) identifier?: Yes. CVE-2025-43918 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11946.
When was CVE-2025-43918 published?: CVE-2025-43918 was published on 2025-04-19 and last updated on 2026-06-17.

References

Other CWE-348 vulnerabilities

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