# CVE-2021-35526: Storage of Sensitive Information Vulnerability in Hitachi ABB Power Grids System Data Manager – SDM600 Product

> Attackers can access sensitive information from unencrypted backup files in Hitachi ABB Power Grids System Data Manager.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 8 Sep 2021
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-jhp7-5v8q-5544

## What is CVE-2021-35526?

CVE-2021-35526 is a medium-severity vulnerability in Hitachi ABB Power Grids System Data Manager – SDM600, published on 8 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Backup file without encryption vulnerability is found in Hitachi ABB Power Grids System Data Manager – SDM600 allows attacker to gain access to sensitive information. This issue affects: Hitachi ABB Power Grids System Data Manager – SDM600 1.2 versions prior to FP2 HF6 (Build Nr. 1.2.14002.257).

Weakness: CWE-863 (Incorrect Authorization), CWE-312 (Cleartext Storage of Sensitive Information)

## Which versions are affected by CVE-2021-35526?

It affects 1 product.


Products: Hitachiabb-Powergrids Sdm600 Firmware.

## How do I fix CVE-2021-35526?

No fix has been published for CVE-2021-35526 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-35526 being exploited?

There is no known exploitation of CVE-2021-35526 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-35526 and fix it if it is affected.

What it is: CVE-2021-35526 is a medium-severity vulnerability in Hitachi ABB Power Grids System Data Manager – SDM600, published on 8 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-35526 in the wild and no public exploit code.

Affected product: Hitachi ABB Power Grids System Data Manager – SDM600. 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-2021-35526/ (Markdown: https://insights.sbomify.com/CVE-2021-35526/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-35526
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-35526
- OSV: https://osv.dev/vulnerability/CVE-2021-35526

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-35526/
Summaries are generated and may contain mistakes; the official description above is the record.
