CVE-2020-26103 Hardcoded credentials in n/a
High 7.5
Published
Updated
Check this codebase for CVE-2020-26103 and fix it if it is affected.
What it is: CVE-2020-26103 is a high-severity vulnerability in Cpanel Cpanel, published on 25 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-26103 in the wild and no public exploit code.
Affected product: Cpanel Cpanel. 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-2020-26103/ (Markdown: https://insights.sbomify.com/CVE-2020-26103/index.md)
An insecure site password used for Mailman on templated VMs allows attackers to bypass security controls in cPanel.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-26103?
CVE-2020-26103 is a high-severity vulnerability in Cpanel Cpanel, published on 25 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In cPanel before 88.0.3, an insecure site password is used for Mailman on a templated VM (SEC-551).
Weakness: CWE-521
Which versions are affected by CVE-2020-26103?
It affects 1 product.
Products include Cpanel Cpanel.
How do I fix CVE-2020-26103?
No fix has been published for CVE-2020-26103 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-26103 being exploited?
There is no known exploitation of CVE-2020-26103 in the wild and no public exploit code.
Other vulnerabilities in Cpanel Cpanel
- CVE-2026-41940 WebPros cPanel & WHM and WP2 (WordPress Squared) Missing Authentication for Critical Function
- CVE-2003-1425 guestbook.cgi in cPanel 5.0 allows remote attackers to execute arbitrary commands via the template parameter.
- CVE-2004-1769 Code injection in n/a
- CVE-2004-1770 Command injection in n/a
- CVE-2020-26098 Command injection in n/a
Sources
Also known as GHSA-699r-272q-qvfp.