CVE-2024-36435: Stack-based Buffer Overflow
Source CVE Database V5
Not known to be exploited · CVSS 9.8 Critical.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 1.2% chance of exploitation in 30 days – higher than 70% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:NExploitation evidence
Disclosed: evidence found.
CVE published 11 Jul 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
Organizations should immediately inventory their server infrastructure to identify affected Supermicro motherboard models and CMM6 modules. Until official patches are released, implement network segmentation and strict access controls to isolate BMC management interfaces from untrusted networks, ideally restricting access to dedicated management VLANs or VPNs. Employ firewall rules to block unauthorized inbound traffic to BMC IP addresses and monitor network logs for suspicious activity targeting BMC interfaces. Enable and enforce strong authentication and encryption on BMC management channels where possible to reduce exposure. Consider disabling unused BMC features or interfaces temporarily if operationally feasible. Maintain up-to-date backups of firmware and configuration to facilitate recovery. Engage with Supermicro support channels for updates on patches or firmware upgrades addressing this vulnerability. Additionally, implement continuous monitoring and anomaly detection focused on BMC behavior to detect potential exploitation attempts early. Prepare incident response plans specific to BMC compromise scenarios to minimize impact if exploited.
Description
An issue was discovered on Supermicro BMC firmware in select X11, X12, H12, B12, X13, H13, and B13 motherboards (and CMM6 modules). An unauthenticated user can post crafted data to the interface that triggers a stack buffer overflow, and may lead to arbitrary remote code execution on a BMC.