Security readout for executives and security teams
Plain-English summary
CVE-2023-34472 affects AMI MegaRAC SPx BMC firmware versions 12.0 and 13.0. An authenticated attacker on an adjacent network may be able to manipulate HTTP headers through CRLF handling, creating an integrity risk. The source bundle does not show public exploitation or a specific fix.
Executive priority
Treat as a management-plane integrity issue with moderate urgency. It is not presented as actively exploited, but BMC exposure can carry outsized operational risk because these systems manage server hardware beneath the operating system.
Technical view
The issue is improper neutralization of CRLF sequences in HTTP headers in AMI SPx BMC software, mapped to CWE-113 and CWE-93. CVSS 3.1 is 5.7: adjacent network, low privileges, no user interaction, high integrity impact, no confidentiality or availability impact.
Likely exposure
Exposure is most relevant where AMI MegaRAC SPx 12.0 or 13.0 BMC interfaces are reachable from adjacent or poorly segmented management networks and where low-privilege BMC credentials exist.
Exploitation context
The CVE is not listed as KEV, and the provided sources do not cite active exploitation. Exploitation requires adjacent network access and low privileges, limiting broad internet-driven risk but still mattering for management-plane compromise paths.
Researcher notes
Evidence is limited to the CVE record fields and AMI advisory reference in the source bundle. Do not assume affected OEM platforms, exploit availability, or patch identifiers without reviewing the linked advisory and relevant OEM firmware guidance.
Mitigation direction
- Inventory systems using AMI MegaRAC SPx 12.0 or 13.0.
- Check AMI and server OEM advisories for approved firmware updates or mitigations.
- Restrict BMC access to trusted management networks only.
- Review and minimize low-privilege BMC accounts.
- Prioritize remediation for shared, hosted, or weakly segmented infrastructure.
Validation and detection
- Confirm BMC firmware product and version from asset records or management tools.
- Verify BMC interfaces are not reachable outside approved management segments.
- Review BMC account lists for unnecessary low-privilege users.
- Check vendor or OEM advisory status for each affected platform.
- Monitor BMC logs for unusual authenticated web management activity.
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-113: 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 lookupCWE-93: 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-2023-34472 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
- Medium
- CVSS
- 5.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
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:L/PR:L/UI:N/S:U/C:N/I:H/A:N2.13.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.7MediumVector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
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.
Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Improper Neutralization of CRLF Sequences ('CRLF Injection')
Improper Neutralization of CRLF Sequences ('CRLF Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.