# CVE-2020-17523: Authentication bypass in Apache Shiro

Source: https://junglewise.ai/threats/cve-2020-17523-authentication-bypass-in-apache-shiro  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-02-09  
License: CC BY 4.0 with a link back

CVE-2020-17523 · Severity: low · CVSS 3.1 · Published 2022-02-09

Authentication bypass in Apache Shiro

Technologies: [org.apache.shiro:shiro-spring (Maven)](https://junglewise.ai/threats/technologies/org-apache-shiro-shiro-spring), [org.apache.shiro:shiro-web (Maven)](https://junglewise.ai/threats/technologies/org-apache-shiro-shiro-web). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2020-17523 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2020-17523 being exploited in the wild.

**How severe is CVE-2020-17523?** Low severity, with a CVSS score of 3.1, published 9 February 2022.

**Which products and versions are affected?** org.apache.shiro:shiro-spring (Maven) ECOSYSTEM:introduced=0,fixed=1.7.1; org.apache.shiro:shiro-spring-boot-starter (Maven) ECOSYSTEM:introduced=0,fixed=1.7.1; org.apache.shiro:shiro-web (Maven) ECOSYSTEM:introduced=0,fixed=1.7.1.

**Is there a fix for CVE-2020-17523?** Yes. org.apache.shiro:shiro-spring (Maven): upgrade to 1.7.1 or later; org.apache.shiro:shiro-spring-boot-starter (Maven): upgrade to 1.7.1 or later; org.apache.shiro:shiro-web (Maven): upgrade to 1.7.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2020-17523?** Check whether you run org.apache.shiro:shiro-spring (Maven), org.apache.shiro:shiro-spring-boot-starter (Maven) or org.apache.shiro:shiro-web (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- org.apache.shiro:shiro-spring (Maven): upgrade to 1.7.1 or later

  ```sh
  # set org.apache.shiro:shiro-spring to 1.7.1 in your pom.xml or build.gradle
  ```

- org.apache.shiro:shiro-spring-boot-starter (Maven): upgrade to 1.7.1 or later

  ```sh
  # set org.apache.shiro:shiro-spring-boot-starter to 1.7.1 in your pom.xml or build.gradle
  ```

- org.apache.shiro:shiro-web (Maven): upgrade to 1.7.1 or later

  ```sh
  # set org.apache.shiro:shiro-web to 1.7.1 in your pom.xml or build.gradle
  ```


## Affected products

- org.apache.shiro:shiro-spring (Maven) ECOSYSTEM:introduced=0,fixed=1.7.1
- org.apache.shiro:shiro-spring-boot-starter (Maven) ECOSYSTEM:introduced=0,fixed=1.7.1
- org.apache.shiro:shiro-web (Maven) ECOSYSTEM:introduced=0,fixed=1.7.1

## Identifiers

- CVE-2020-17523
- GHSA-v98j-7crc-wvrj

## Related threats

- [Apache Shiro authentication bypass via RememberMe cookie replay](https://junglewise.ai/threats/cve-2026-56130-apache-shiro-authentication-bypass-via-rememberme-cookie-replay)
- [Apache Shiro missing Secure attribute on sensitive cookies](https://junglewise.ai/threats/cve-2026-43828-apache-shiro-missing-secure-attribute-on-sensitive-cookies)
- [Apache Shiro authentication bypass via case-sensitive filename matching](https://junglewise.ai/threats/cve-2026-23903-apache-shiro-authentication-bypass-via-case-sensitive-filename)
- [Open redirect in Apache Shiro](https://junglewise.ai/threats/cve-2023-46750-open-redirect-in-apache-shiro)
- [Path Traversal in Apache Shiro](https://junglewise.ai/threats/cve-2023-34478-path-traversal-in-apache-shiro)