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Vulnerabilities / CVE-2020-17523

critical

CVE-2020-17523

shiro: Authentication bypass through specially crafted HTTP request

Published Modified CWE 287
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GHSA9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, GHSA. Rated lower by Red Hat (high).

Description

Apache Shiro before 1.7.1, when using Apache Shiro with Spring, a specially crafted HTTP request may cause an authentication bypass.

Affected packages and fixed versions

SourcePackageFixed in
maven::GitHub Security Advisory Mavenorg.apache.shiro:shiro-spring, org.apache.shiro:shiro-spring-boot-starter, org.apache.shiro:shiro-web1.7.1
Red Hatopendaylightno fix listed
Show all 4 entries from 2 sources
SourcePackageFixed in
maven::GitHub Security Advisory Mavenorg.apache.shiro:shiro-spring1.7.1
maven::GitHub Security Advisory Mavenorg.apache.shiro:shiro-spring-boot-starter1.7.1
maven::GitHub Security Advisory Mavenorg.apache.shiro:shiro-web1.7.1
Red Hatopendaylightno fix listed

References

All 14 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.