CVE-2025-12007: SMCI X13SEM-F · Improper Verification of Cryptographic Signature
Affects SMCI X13SEM-FSource CVE Database V5
Not known to be exploited · CVSS 8.4 High.
Data as of 26 Oct 2026, 12:54 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 16 Jan 2026
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
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SMCIX13SEM-F | Affected
| Fixed in– |
AI-suggested
- Immediately restrict access to BMC interfaces by isolating management networks and enforcing strict network segmentation to prevent unauthorized local access.
- Implement strong authentication and authorization controls on BMC management interfaces, including multi-factor authentication where supported.
- Monitor BMC firmware update logs and network traffic for anomalous activity indicative of unauthorized firmware flashing attempts.
- Disable unused or unnecessary BMC features and services to reduce the attack surface.
- Coordinate with Supermicro for timely firmware updates or patches addressing this vulnerability; apply them as soon as they become available.
- Employ hardware-based security features such as Trusted Platform Module (TPM) or hardware root of trust to validate firmware integrity where supported.
- Conduct regular security audits and penetration testing focused on BMC and out-of-band management components.
- Educate data center personnel about the risks of local access to BMC and enforce strict physical security controls.
Description
There is a vulnerability in the Supermicro BMC firmware validation logic at Supermicro MBD-X13SEM-F . An attacker can update the system firmware with a specially crafted image.