CVE-2020-17523: Authentication bypass in Apache Shiro

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

Authentication bypass in Apache Shiro

Technologies: org.apache.shiro:shiro-spring (Maven), org.apache.shiro:shiro-web (Maven). 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
    # 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
    # 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
    # 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

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