CVE-2020-22755 MCMS vulnerable to arbitrary code execution via crafted thumbnail
High 8.8
Published
Updated
Check this codebase for CVE-2020-22755 and fix it if it is affected.
What it is: CVE-2020-22755 is a high-severity vulnerability in n/a, published on 8 May 2023.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-22755 exists.
Affected packages and fixed versions:
- net.mingsoft:ms-mcms (Maven): affected all versions up to 5.0.0; no fix listed
- net.mingsoft:ms-mcms (Maven): affected all versions up to 5.0.0; no fix listed
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-2020-22755/ (Markdown: https://insights.sbomify.com/CVE-2020-22755/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2020-22755?
CVE-2020-22755 is a high-severity vulnerability in n/a, published on 8 May 2023.
Official description
File upload vulnerability in MCMS 5.0 allows attackers to execute arbitrary code via a crafted thumbnail. A different vulnerability than CVE-2022-31943.
Weakness: CWE-434
Which versions are affected by CVE-2020-22755?
2 open source packages ship an affected version, including net.mingsoft:ms-mcms. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
net.mingsoft:ms-mcms Maven | All versions to 5.0.0 | None |
net.mingsoft:ms-mcms Maven | All versions to 5.0.0 | None |
Products include Mingsoft Mcms.
How do I fix CVE-2020-22755?
No fix has been published for CVE-2020-22755 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-22755 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-22755 exists.
Other vulnerabilities in n/a
- CVE-2025-56316 MCMS vulnerable SQL injection via the content_title parameter
- CVE-2025-29287 MCMS allows arbitrary file uploads in the ueditor component
- CVE-2023-50578 Mingsoft MCMS SQL injection
- CVE-2020-20913 Ming-Soft MCMS vulnerable to SQL injection
- CVE-2022-36272 Mingsoft MCMS SQL injection vulnerability in /mdiy/page/verify URI via fieldName parameter
Sources
Also known as GHSA-293v-5329-36wp.