# CVE-2024-6398: Information disclosure in Secure Web Gateway

> Attackers can disclose customized block page information via Same Origin Policy bypass in Secure Web Gateway, requiring specific configurations.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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:** A user has to click or open something
- **Fix available:** No
- **Published:** 15 Jul 2024
- **Updated:** 1 Aug 2024
- **Also known as:** GHSA-5f54-j5vv-v7h2

## What is CVE-2024-6398?

CVE-2024-6398 is a medium-severity vulnerability in Skyhigh Secure Web Gateway, published on 15 Jul 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

An information disclosure vulnerability in SWG in versions 12.x prior to 12.2.10 and 11.x prior to 11.2.24 allows information stored in a customizable block page to be disclosed to third-party websites due to Same Origin Policy Bypass of browsers in certain scenarios. The risk is low, because other recommended default security policies such as URL categorization and GTI are in place in most policies to block access to uncategorized/high risk websites. Any information disclosed depends on how the customers have customized the block pages.

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

## Which versions are affected by CVE-2024-6398?

It affects 1 product.


Products: Skyhighsecurity Secure Web Gateway.

## How do I fix CVE-2024-6398?

No fix has been published for CVE-2024-6398 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-6398 being exploited?

There is no known exploitation of CVE-2024-6398 in the wild and no public exploit code.

## Other vulnerabilities in Skyhigh Secure Web Gateway

- [CVE-2022-2310](https://insights.sbomify.com/CVE-2022-2310/): Skyhigh SWG Authentication bypass vulnerability (critical 10.0)
- [CVE-2023-4400](https://insights.sbomify.com/CVE-2023-4400/): Information disclosure in Skyhigh Secure Web Gateway (SWG) (medium 6.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-6398 and fix it if it is affected.

What it is: CVE-2024-6398 is a medium-severity vulnerability in Skyhigh Secure Web Gateway, published on 15 Jul 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2024-6398 in the wild and no public exploit code.

Affected product: Skyhigh Secure Web Gateway. 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-2024-6398/ (Markdown: https://insights.sbomify.com/CVE-2024-6398/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-6398
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-6398
- OSV: https://osv.dev/vulnerability/CVE-2024-6398

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-6398/
Summaries are generated and may contain mistakes; the official description above is the record.