PatchTheCVECVE-2024-54085: AMI MegaRAC SPx Authentication Bypass by Spoofing Vulnerability
CVE-2024-54085 is a critical-severity flaw (CVSS 9.8) affecting megarac sp-x, h300s firmware, h500s firmware, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
AMI’s SPx contains a vulnerability in the BMC where an Attacker may bypass authentication remotely through the Redfish Host Interface. A successful exploitation of this vulnerability may lead to a loss of confidentiality, integrity, and/or availability.
Why this priority
- Critical severity
- EPSS top 1%: very likely to be exploited
- Exploited in the wild (CISA KEV)
- CISA SSVC: automatable with total technical impact
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 60.7% (top 1%) |
| CISA exploited list | Yes, fix due 2025-07-16 |
| Weakness | CWE-290 |
| Published | 2025-03-11 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Exploited Added to the CISA Known Exploited Vulnerabilities list
- Deadline CISA due date for US federal agencies to patch
- Updated Record last modified
Exact fixes by distribution
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- GitHub PoC: Mr-Zapi/CVE-2024-54085 (2 stars)
- Write-up: arstechnica.com/security/2025/06/active-exploitation-of-ami-management-tool-imperils-thous
- Write-up: www.bleepingcomputer.com/news/security/cisa-ami-megarac-bug-that-lets-hackers-brick-server
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2024-54085?
megarac sp-x: upgrade to 12.7, 13.5; h300s firmware: mitigate or apply the listed mitigation; h500s firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2024-54085 being exploited?
Yes. CVE-2024-54085 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.
What does CVE-2024-54085 affect?
CVE-2024-54085 affects megarac sp-x, h300s firmware, h500s firmware. Severity is critical (CVSS 9.8). AMI’s SPx contains a vulnerability in the BMC where an Attacker may bypass authentication remotely through the Redfish Host Interface. A successful exploitation of this vulnerability may lead to a loss of confidentiality, integrity, and/or
How urgent is CVE-2024-54085?
Priority 92/100. Critical severity; EPSS top 1%: very likely to be exploited; Exploited in the wild (CISA KEV); CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action