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, 06:26 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 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SMCIX13SEM-F | Affected
| Fixed in– |
AI-suggested
1. Immediately restrict access to BMC interfaces by isolating management networks and enforcing strict network segmentation to prevent unauthorized local access. 2. Implement strong authentication and authorization controls on BMC management interfaces, including multi-factor authentication where supported. 3. Monitor BMC firmware update logs and network traffic for anomalous activity indicative of unauthorized firmware flashing attempts. 4. Disable unused or unnecessary BMC features and services to reduce the attack surface. 5. Coordinate with Supermicro for timely firmware updates or patches addressing this vulnerability; apply them as soon as they become available. 6. Employ hardware-based security features such as Trusted Platform Module (TPM) or hardware root of trust to validate firmware integrity where supported. 7. Conduct regular security audits and penetration testing focused on BMC and out-of-band management components. 8. 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.