# CVE-2025-20102: arkcompiler_ets_runtime has an out-of-bounds read vulnerability

> A local attacker can cause a denial of service in OpenHarmony via an out-of-bounds read in the ETS runtime.

- **Severity:** Low 3.3 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 7 Apr 2025
- **Updated:** 7 Apr 2025
- **Also known as:** GHSA-f3r5-jm79-fwqg

## What is CVE-2025-20102?

CVE-2025-20102 is a low-severity memory corruption vulnerability in Openatom Openharmony, published on 7 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

in OpenHarmony v5.0.2 and prior versions allow a local attacker cause DOS through  out-of-bounds read.

Weakness: CWE-125 (Out-of-bounds Read)

## Which versions are affected by CVE-2025-20102?

It affects 1 product.


Products: Openatom Openharmony.

## How do I fix CVE-2025-20102?

No fix has been published for CVE-2025-20102 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-20102 being exploited?

There is no known exploitation of CVE-2025-20102 in the wild and no public exploit code.

## Other vulnerabilities in Openatom Openharmony

- [CVE-2025-0303](https://insights.sbomify.com/CVE-2025-0303/): Liteos_a has a buffer overflow vulnerability (high 8.8)
- [CVE-2025-0304](https://insights.sbomify.com/CVE-2025-0304/): Liteos_a has an use after free vulnerability (high 8.8)
- [CVE-2024-47398](https://insights.sbomify.com/CVE-2024-47398/): Liteos_a has an out-of-bounds write vulnerability (high 8.8)
- [CVE-2024-10074](https://insights.sbomify.com/CVE-2024-10074/): Liteos_a has an use after free vulnerability (high 8.8)
- [CVE-2024-41157](https://insights.sbomify.com/CVE-2024-41157/): Liteos-A has an use after free vulnerability (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-20102 and fix it if it is affected.

What it is: CVE-2025-20102 is a low-severity memory corruption vulnerability in Openatom Openharmony, published on 7 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-20102 in the wild and no public exploit code.

Affected product: Openatom Openharmony. 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-2025-20102/ (Markdown: https://insights.sbomify.com/CVE-2025-20102/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-20102
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-20102
- OSV: https://osv.dev/vulnerability/CVE-2025-20102

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-20102/
Summaries are generated and may contain mistakes; the official description above is the record.