# CVE-2024-20954: Information disclosure in GraalVM

> An unauthenticated attacker can exploit a difficult-to-exploit vulnerability in Oracle GraalVM to gain unauthorized read access to a subset of accessible data.

- **Severity:** Low 3.7 (`CVSS:3.1/AV:N/AC:H/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:** Yes
- **Published:** 16 Apr 2024
- **Updated:** 25 Nov 2024
- **Also known as:** CLEANSTART-2026-HF21873, GHSA-3q44-44h8-2hgc

## What is CVE-2024-20954?

CVE-2024-20954 is a low-severity vulnerability in Oracle Graalvm, published on 16 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Vulnerability in the Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Compiler).  Supported versions that are affected are Oracle GraalVM for JDK: 17.0.10, 21.0.2, 22; Oracle GraalVM Enterprise Edition: 20.3.13 and  21.3.9. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. CVSS 3.1 Base Score 3.7 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).

## Which versions are affected by CVE-2024-20954?

It affects 2 products.


Products: Oracle Graalvm, Oracle Graalvm for Jdk.

## How do I fix CVE-2024-20954?

Apply the vendor's patch.

## Is CVE-2024-20954 being exploited?

There is no known exploitation of CVE-2024-20954 in the wild and no public exploit code.

## Other vulnerabilities in Oracle Graalvm

- [CVE-2025-50059](https://insights.sbomify.com/CVE-2025-50059/): Security feature bypass in Oracle GraalVM Enterprise Edition (high 8.6)
- [CVE-2021-32803](https://insights.sbomify.com/CVE-2021-32803/): Arbitrary File Creation/Overwrite via insufficient symlink protection due to directory cache poisoning (high 8.2)
- [CVE-2021-32804](https://insights.sbomify.com/CVE-2021-32804/): Arbitrary File Creation/Overwrite due to insufficient absolute path sanitization (high 8.2)
- [CVE-2025-30749](https://insights.sbomify.com/CVE-2025-30749/): Code injection in Oracle GraalVM Enterprise Edition (high 8.1)
- [CVE-2025-50106](https://insights.sbomify.com/CVE-2025-50106/): Code injection in Oracle GraalVM Enterprise Edition (high 8.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-20954 and fix it if it is affected.

What it is: CVE-2024-20954 is a low-severity vulnerability in Oracle Graalvm, published on 16 Apr 2024. 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-2024-20954 in the wild and no public exploit code.

Affected product: Oracle Graalvm. 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-2024-20954/ (Markdown: https://insights.sbomify.com/CVE-2024-20954/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-20954
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-20954
- OSV: https://osv.dev/vulnerability/CVE-2024-20954

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-20954/
Summaries are generated and may contain mistakes; the official description above is the record.