# CVE-2023-28382: Path traversal in ESS REC Agent Server Edition series

> An authenticated attacker can exploit a directory traversal flaw to view or modify arbitrary files on the server.

- **Severity:** High 8.1 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N`)
- **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 May 2023
- **Updated:** 15 Jan 2025
- **Also known as:** GHSA-p4pg-rvqw-4mm6

## What is CVE-2023-28382?

CVE-2023-28382 is a high-severity path traversal vulnerability in Encourage Technologies Co.,Ltd. ESS REC Agent Server Edition series, published on 26 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Directory traversal vulnerability in ESS REC Agent Server Edition series allows an authenticated attacker to view or alter an arbitrary file on the server. Affected products and versions are as follows: ESS REC Agent Server Edition for Linux V1.0.0 to V1.4.3, ESS REC Agent Server Edition for Solaris V1.1.0 to V1.4.0, ESS REC Agent Server Edition for HP-UX V1.1.0 to V1.4.0, and ESS REC Agent Server Edition for AIX V1.2.0 to V1.4.1

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2023-28382?

It affects 1 product.


Products: Et-X Ess Rec.

## How do I fix CVE-2023-28382?

No fix has been published for CVE-2023-28382 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-28382 being exploited?

There is no known exploitation of CVE-2023-28382 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-28382 and fix it if it is affected.

What it is: CVE-2023-28382 is a high-severity path traversal vulnerability in Encourage Technologies Co.,Ltd. ESS REC Agent Server Edition series, published on 26 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-28382 in the wild and no public exploit code.

Affected product: Encourage Technologies Co.,Ltd. ESS REC Agent Server Edition series. 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-2023-28382/ (Markdown: https://insights.sbomify.com/CVE-2023-28382/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-28382
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-28382
- OSV: https://osv.dev/vulnerability/CVE-2023-28382

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-28382/
Summaries are generated and may contain mistakes; the official description above is the record.