CVE-2025-20042 Liteos-A has an out of bounds read vulnerability
Medium 5.5
Published
Updated
Check this codebase for CVE-2025-20042 and fix it if it is affected.
What it is: CVE-2025-20042 is a medium-severity vulnerability in Openatom Openharmony, published on 4 Mar 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-2025-20042 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-2025-20042/ (Markdown: https://insights.sbomify.com/CVE-2025-20042/index.md)
A local attacker can exploit an out-of-bounds read in OpenHarmony to leak sensitive information.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-20042?
CVE-2025-20042 is a medium-severity vulnerability in Openatom Openharmony, published on 4 Mar 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 information leak through out-of-bounds read.
Weakness: CWE-125
Which versions are affected by CVE-2025-20042?
It affects 1 product.
Products include Openatom Openharmony.
How do I fix CVE-2025-20042?
No fix has been published for CVE-2025-20042 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-20042 being exploited?
There is no known exploitation of CVE-2025-20042 in the wild and no public exploit code.
Other vulnerabilities in Openatom Openharmony
- CVE-2025-0303 Liteos_a has a buffer overflow vulnerability
- CVE-2025-0304 Liteos_a has an use after free vulnerability
- CVE-2024-47398 Liteos_a has an out-of-bounds write vulnerability
- CVE-2024-10074 Liteos_a has an use after free vulnerability
- CVE-2024-41157 Liteos-A has an use after free vulnerability
Sources
Also known as GHSA-gpf2-5797-w82f.