# CVE-2023-4400: Information disclosure in Skyhigh Secure Web Gateway (SWG)

> Attackers can extract plaintext authentication credentials from configuration files via the REST API, potentially bypassing security controls.

- **Severity:** Medium 6.2 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 13 Sep 2023
- **Updated:** 25 Sep 2024
- **Also known as:** GHSA-qggp-c2rq-6x65

## What is CVE-2023-4400?

CVE-2023-4400 is a medium-severity vulnerability in Skyhigh Secure Web Gateway (SWG) , published on 13 Sep 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

A password management vulnerability in Skyhigh Secure Web Gateway (SWG) in main releases 11.x prior to 11.2.14, 10.x prior to 10.2.25 and controlled release 12.x prior to 12.2.1, allows some authentication information stored in configuration files to be extracted through SWG REST API. This was possible due to SWG storing the password in plain text in some configuration files.

Weakness: CWE-312 (Cleartext Storage of Sensitive Information), CWE-256 (Plaintext Storage of a Password)

## Which versions are affected by CVE-2023-4400?

It affects 1 product.


Products: Skyhighsecurity Secure Web Gateway.

## How do I fix CVE-2023-4400?

No fix has been published for CVE-2023-4400 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-4400 being exploited?

There is no known exploitation of CVE-2023-4400 in the wild and no public exploit code.

## Other vulnerabilities in Skyhigh Secure Web Gateway (SWG) 

- [CVE-2022-2310](https://insights.sbomify.com/CVE-2022-2310/): Skyhigh SWG Authentication bypass vulnerability (critical 10.0)
- [CVE-2024-6398](https://insights.sbomify.com/CVE-2024-6398/): Information disclosure in Secure Web Gateway (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-4400 and fix it if it is affected.

What it is: CVE-2023-4400 is a medium-severity vulnerability in Skyhigh Secure Web Gateway (SWG) , published on 13 Sep 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2023-4400 in the wild and no public exploit code.

Affected product: Skyhigh Secure Web Gateway (SWG) . 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-2023-4400/ (Markdown: https://insights.sbomify.com/CVE-2023-4400/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-4400
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-4400
- OSV: https://osv.dev/vulnerability/CVE-2023-4400

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-4400/
Summaries are generated and may contain mistakes; the official description above is the record.