CVE-2021-43103 File upload in n/a
High 7.2
Published
Updated
Check this codebase for CVE-2021-43103 and fix it if it is affected.
What it is: CVE-2021-43103 is a high-severity vulnerability in n/a, published on 28 Mar 2022. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-43103 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-2021-43103/ (Markdown: https://insights.sbomify.com/CVE-2021-43103/index.md)
A remote attacker can upload malicious files to execute arbitrary code on the BBS forum server.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-43103?
CVE-2021-43103 is a high-severity vulnerability in n/a, published on 28 Mar 2022. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A File Upload vulnerability exists in bbs 5.3 is via ForumManageAction.java in a GetType function, which lets a remote malicious user execute arbitrary code.
Weakness: CWE-434
Which versions are affected by CVE-2021-43103?
It affects 1 product.
Products include Diyhi Bbs.
How do I fix CVE-2021-43103?
No fix has been published for CVE-2021-43103 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-43103 being exploited?
There is no known exploitation of CVE-2021-43103 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-g25w-7qh2-phgc.