# CVE-2023-5516: Information disclosure in eSOMS

> Attackers can trigger errors via malformed requests to reveal sensitive technical details and internal infrastructure information in Hitachi Energy eSOMS.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 Nov 2023
- **Updated:** 27 Feb 2025
- **Also known as:** GHSA-prpr-2cpp-jg5f

## What is CVE-2023-5516?

CVE-2023-5516 is a medium-severity vulnerability in Hitachi Energy eSOMS, published on 1 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Poorly constructed webap requests and URI components with special characters trigger unhandled errors and exceptions, disclosing
information about the underlying technology and other sensitive information details. The website unintentionally reveals sensitive information including technical details like version Info, endpoints,
backend server, Internal IP. etc., which can potentially expose additional attack surface containing other interesting vulnerabilities.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2023-5516?

It affects 1 product.


Products: Hitachienergy Esoms.

## How do I fix CVE-2023-5516?

No fix has been published for CVE-2023-5516 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-5516 being exploited?

There is no known exploitation of CVE-2023-5516 in the wild and no public exploit code.

## Other vulnerabilities in Hitachi Energy eSOMS

- [CVE-2018-14805](https://insights.sbomify.com/CVE-2018-14805/): Auth bypass in ABB eSOMS (critical 9.8)
- [CVE-2019-19094](https://insights.sbomify.com/CVE-2019-19094/): ABB eSOMS: SQL injection vulnerability (high 7.6)
- [CVE-2021-35527](https://insights.sbomify.com/CVE-2021-35527/): Password Autocomplete Vulnerability in Hitachi ABB Power Grids eSOMS Application (high 7.5)
- [CVE-2021-26845](https://insights.sbomify.com/CVE-2021-26845/): eSOMS Report Function Vulnerability (high 7.5)
- [CVE-2019-19000](https://insights.sbomify.com/CVE-2019-19000/): eSOMS Cachecontrol (Pragma) HTTP Header (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-5516 and fix it if it is affected.

What it is: CVE-2023-5516 is a medium-severity vulnerability in Hitachi Energy eSOMS, published on 1 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-5516 in the wild and no public exploit code.

Affected product: Hitachi Energy eSOMS. 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-2023-5516/ (Markdown: https://insights.sbomify.com/CVE-2023-5516/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-5516
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-5516
- OSV: https://osv.dev/vulnerability/CVE-2023-5516

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-5516/
Summaries are generated and may contain mistakes; the official description above is the record.