CVE-2021-34803 Other in n/a
High 7.8
Published
Updated
Check this codebase for CVE-2021-34803 and fix it if it is affected.
What it is: CVE-2021-34803 is a high-severity vulnerability in n/a, published on 16 Jun 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-34803 in the wild and no public exploit code.
Affected product: n/a. 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-2021-34803/ (Markdown: https://insights.sbomify.com/CVE-2021-34803/index.md)
An attacker can execute arbitrary code on Windows systems by exploiting untrusted DLL loading in TeamViewer.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-34803?
CVE-2021-34803 is a high-severity vulnerability in n/a, published on 16 Jun 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
TeamViewer before 14.7.48644 on Windows loads untrusted DLLs in certain situations.
Weakness: CWE-427
Which versions are affected by CVE-2021-34803?
It affects 1 product.
Products include Teamviewer Teamviewer.
How do I fix CVE-2021-34803?
No fix has been published for CVE-2021-34803 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-34803 being exploited?
There is no known exploitation of CVE-2021-34803 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-2x34-356c-v9qp.