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

> Tenant administrators or users can access or modify configurations in other tenants, leading to unauthorized data exposure and modification.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Sep 2022
- **Updated:** 21 May 2025
- **Also known as:** GHSA-hc78-4g2j-f4qw

## What is CVE-2021-28052?

CVE-2021-28052 is a high-severity missing authorization vulnerability in Hitachi Content Platform, published on 26 Sep 2022. Any signed-in user can exploit it over the network, with no action from the victim.

### Official 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.

Weakness: CWE-862 (Missing Authorization), CWE-264

## Which versions are affected by CVE-2021-28052?

It affects 1 product.


Products: Hitach Vantara.

## How do I fix CVE-2021-28052?

No fix has been published for CVE-2021-28052 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-28052 being exploited?

There is no known exploitation of CVE-2021-28052 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-28052 and fix it if it is affected.

What it is: CVE-2021-28052 is a high-severity missing authorization vulnerability in Hitachi Content Platform, published on 26 Sep 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-28052 in the wild and no public exploit code.

Affected product: Hitachi Content Platform. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2021-28052/ (Markdown: https://insights.sbomify.com/CVE-2021-28052/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-28052
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-28052
- OSV: https://osv.dev/vulnerability/CVE-2021-28052

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-28052/
Summaries are generated and may contain mistakes; the official description above is the record.