How severe is CVE-2024-36434?

CVE-2024-36434 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-36434 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-36434?

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-2024-36434 have an EU (EUVD) identifier?

Yes. CVE-2024-36434 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36082.

When was CVE-2024-36434 published?

CVE-2024-36434 was published on 2024-07-15 and last updated on 2026-06-17.

CVE-2024-36434

CVE-2024-36434 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-36082
Weakness: CWE-119
Published: 2024-07-15
Last modified: 2026-06-17

Description

An SMM callout vulnerability was discovered in Supermicro X11DPH-T, X11DPH-Tq, and X11DPH-i motherboards with BIOS firmware before 4.4.

Frequently asked questions

What is CVE-2024-36434?: An SMM callout vulnerability was discovered in Supermicro X11DPH-T, X11DPH-Tq, and X11DPH-i motherboards with BIOS firmware before 4.4.
How severe is CVE-2024-36434?: CVE-2024-36434 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-36434 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-36434?: 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-2024-36434 have an EU (EUVD) identifier?: Yes. CVE-2024-36434 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36082.
When was CVE-2024-36434 published?: CVE-2024-36434 was published on 2024-07-15 and last updated on 2026-06-17.

References

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

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CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

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