Vulnerability · Published Jun 12, 2023 · Assigned by AMI
CVE-2023-34335
High 7.7
In plain English
A high-severity authentication bypass in MegaRAC_SPx from AMI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).
Severity (CVSS 3.1)7.7High
Exploit odds (30 days)0.4%top 66.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
AMI BMC contains a vulnerability in the IPMI handler, where an unauthenticated host is allowed to write to a host SPI flash, bypassing secure boot protections. An exploitation of this vulnerability may lead to a loss of integrity or denial of service.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMI | MegaRAC_SPx | 13.0 – before 13.512.0 – through 12.7 |
Weakness: CWE-288 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H