CVE-2020-2504 Absolute path traversal vulnerability in QES
Medium 5.8
Published
Updated
Check this codebase for CVE-2020-2504 and fix it if it is affected.
What it is: CVE-2020-2504 is a medium-severity vulnerability in QNAP Systems Inc. QES, published on 24 Dec 2020.
Exploitation: There is no known exploitation of CVE-2020-2504 in the wild and no public exploit code.
Affected product: QNAP Systems Inc. QES. 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-2020-2504/ (Markdown: https://insights.sbomify.com/CVE-2020-2504/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2020-2504?
CVE-2020-2504 is a medium-severity vulnerability in QNAP Systems Inc. QES, published on 24 Dec 2020.
Official description
If exploited, this absolute path traversal vulnerability could allow attackers to traverse files in File Station. QNAP has already fixed these issues in QES 2.1.1 Build 20201006 and later.
Which versions are affected by CVE-2020-2504?
It affects 1 product.
Products include Qnap Qes.
How do I fix CVE-2020-2504?
No fix has been published for CVE-2020-2504 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-2504 being exploited?
There is no known exploitation of CVE-2020-2504 in the wild and no public exploit code.
Other vulnerabilities in QNAP Systems Inc. QES
Sources
Also known as GHSA-jc86-jrjv-444j.