Security readout for executives and security teams
Plain-English summary
CVE-2023-34338 affects AMI MegaRAC_SPx 12.0 BMC firmware. The issue involves hard-coded cryptographic key material tied to a hard-coded certificate. If exploited, it could undermine confidentiality, integrity, and availability of affected management controllers.
Executive priority
Treat this as a high-priority firmware supply-chain exposure where affected assets exist. Prioritize inventory and vendor confirmation before assuming risk or remediation status.
Technical view
The CVE describes CWE-321 in AMI SPx BMC firmware: use of a hard-coded cryptographic key by a hard-coded certificate. The CVSS 3.1 score is 7.1, with adjacent-network attack vector, high complexity, no privileges, and user interaction required.
Likely exposure
Exposure is indicated for AMI MegaRAC_SPx version 12.0. The bundle does not identify specific server models, OEM platforms, fixed versions, or default exposure paths.
Exploitation context
The provided record is not listed in CISA KEV and the bundle gives no evidence of active exploitation. The CVSS vector suggests exploitation requires adjacent network access, high attack complexity, and user interaction.
Researcher notes
Evidence is limited to the CVE record and AMI advisory reference. No exploit details, affected OEM models, fixed releases, or field exploitation claims are provided in the bundle.
Mitigation direction
- Review AMI advisory AMI-SA-2023006 and follow vendor guidance.
- Ask the platform OEM whether affected BMC firmware is present.
- Apply only vendor-approved BMC firmware updates or mitigations.
- Limit BMC management access according to existing administrative policy.
Validation and detection
- Inventory systems for AMI MegaRAC_SPx 12.0 BMC firmware.
- Confirm affected status with AMI or the server OEM.
- Check whether AMI-SA-2023006 applies to deployed platforms.
- Document compensating controls for any affected unmanaged systems.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-321: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-34338 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H1.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use of Hard-coded Cryptographic Key
Use of Hard-coded Cryptographic Key represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
