CVE-2021-30718 Privilege escalation in macOS
Medium 4.3
Published
Updated
Check this codebase for CVE-2021-30718 and fix it if it is affected.
What it is: CVE-2021-30718 is a medium-severity vulnerability in Apple Macos, published on 8 Sep 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-30718 in the wild and no public exploit code.
Affected product: Apple Macos. 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-2021-30718/ (Markdown: https://insights.sbomify.com/CVE-2021-30718/index.md)
A non-privileged user can modify restricted settings on macOS, potentially leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-30718?
CVE-2021-30718 is a medium-severity vulnerability in Apple Macos, published on 8 Sep 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.4. A non-privileged user may be able to modify restricted settings.
Which versions are affected by CVE-2021-30718?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2021-30718?
No fix has been published for CVE-2021-30718 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-30718 being exploited?
There is no known exploitation of CVE-2021-30718 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-34wj-ch2p-7g5r.