CVE-2020-17510: Authentication bypass in Apache Shiro – CVSS 9.8 · Watchpost

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Authentication bypass in Apache Shiro

CRITICAL 9.8CVE-2020-17510 · GHSA-7cj4-gj8m-m2f7 · Published 05/11/2020 · updated 17/06/2026

In short

CVE-2020-17510 is a CRITICAL (CVSS 9.8) vulnerability affecting org.apache.shiro:shiro-spring, shiro (apache).
Chance of exploitation in the next 30 days (EPSS): 8.0%, higher than 94.8% of all vulnerabilities.
Fix: update to 1.7.0 or later.

Package	Affected versions	Patched versions
org.apache.shiro:shiro-spring Maven	`< 1.7.0`	`1.7.0`
shiro apache	`< 1.7.0`	`1.7.0`

Description

Apache Shiro before 1.7.0, when using Apache Shiro with Spring, a specially crafted HTTP request may cause an authentication bypass.

NVD description

Apache Shiro before 1.7.0, when using Apache Shiro with Spring, a specially crafted HTTP request may cause an authentication bypass.

References

nvd.nist.gov/vuln/detail/CVE-2020-17510 · ADVISORY
apache/shiro commit dc194fc · WEB
apache/shiro · PACKAGE
lists.apache.org/thread.html/r575301804bfac87a064359cf4b4ae9d514f2d10db7d44120765f4129@%3Cdev.shiro.apache.org%3E · WEB
lists.apache.org/thread.html/r70098e336d02047ce4d4e69293fe8d558cd68cde06f6430398959bc4@%3Cdev.shiro.apache.org%3E · WEB
lists.apache.org/thread.html/r70b907ccb306e9391145e2b10f56cc6914a245f91720a17a486c020a@%3Cdev.shiro.apache.org%3E · WEB
lists.apache.org/thread.html/r852971e28f54cafa7d325bd7033115c67d613b112a2a1076817390ac@%3Cdev.shiro.apache.org%3E · WEB
lists.apache.org/thread.html/r95bdf3703858b5f958b5e190d747421771b430d97095880db91980d6@%3Cannounce.apache.org%3E · WEB

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