# CVE-2020-35190: Hardcoded credentials in n/a

> Remote attackers can gain root access to Plone Docker containers using a blank password, requiring an upgrade to the fixed image version.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Dec 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-v9mf-j57r-5vpr

## What is CVE-2020-35190?

CVE-2020-35190 is a critical vulnerability in Plone Plone, published on 17 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The official plone Docker images before version of 4.3.18-alpine (Alpine specific) contain a blank password for a root user. System using the plone docker container deployed by affected versions of the docker image may allow a remote attacker to achieve root access with a blank password.

Weakness: CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2020-35190?

It affects 1 product.


Products: Plone Plone.

## How do I fix CVE-2020-35190?

No fix has been published for CVE-2020-35190 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-35190 being exploited?

There is no known exploitation of CVE-2020-35190 in the wild and no public exploit code.

## Other vulnerabilities in Plone Plone

- [CVE-2021-33509](https://insights.sbomify.com/CVE-2021-33509/): Incorrect Permission Assignment for Critical Resource in Plone (critical 9.9)
- [CVE-2020-7941](https://insights.sbomify.com/CVE-2020-7941/): Plone Unauthenticated Write Vulnerability (critical 9.8)
- [CVE-2011-3587](https://insights.sbomify.com/CVE-2011-3587/): Zope Command Execution Vulnerability (critical 9.3)
- [CVE-2021-33926](https://insights.sbomify.com/CVE-2021-33926/): Server-Side Request Forgery in Plone CMS (high 8.8)
- [CVE-2020-28734](https://insights.sbomify.com/CVE-2020-28734/): Improper Restriction of XML External Entity Reference in Plone (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-35190 and fix it if it is affected.

What it is: CVE-2020-35190 is a critical vulnerability in Plone Plone, published on 17 Dec 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-2020-35190 in the wild and no public exploit code.

Affected product: Plone Plone. 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-2020-35190/ (Markdown: https://insights.sbomify.com/CVE-2020-35190/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-35190
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-35190
- OSV: https://osv.dev/vulnerability/CVE-2020-35190

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-35190/
Summaries are generated and may contain mistakes; the official description above is the record.