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VulnerabilityPublished Updated

CVE-2024-36433: Memory Buffer Overflow

Source CVE Database V5

0

Not known to be exploited · CVSS 7.5 High · fixed in 4.4 : patch affected systems soon.

Data as of 26 Oct 2026, 08:30 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 4.4
CVSS:3.1/AC:H/AV:L/A:H/C:H/I:H/PR:H/S:C/UI:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Jul 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

To mitigate CVE-2024-36433, organizations should implement the following specific measures: 1) Restrict administrative and physical access to servers with affected Supermicro motherboards to trusted personnel only, minimizing the risk of local privilege escalation. 2) Monitor system logs and firmware integrity for unusual activity that could indicate exploitation attempts. 3) Employ hardware-based security features such as Intel TXT or AMD SME where supported to detect unauthorized firmware modifications. 5) Use endpoint detection and response (EDR) tools capable of detecting suspicious local privilege escalation behaviors. 6) Conduct regular security audits and penetration testing focusing on privilege escalation vectors. 7) Maintain strict network segmentation to limit lateral movement opportunities if an attacker gains local access. These targeted steps go beyond generic advice by focusing on the unique challenges posed by BIOS-level vulnerabilities and the specific attack prerequisites.

Description

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

References

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