Auth bypass in Apache Software Foundation Shiro
CVE-2021-41303
Apache Shiro before 1.8.0, when using Apache Shiro with Spring Boot, a specially crafted HTTP request may cause an authentication bypass. Users should update to Apache Shiro 1.8.0.
Vulnerability class: Broken Authentication
EPSS: 0.756 (99.5th percentile) — read the EPSS interpretation.
Affected products
- Apache Software Foundation Shiro — versions Apache Shiro
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.apache.org/thread.html/re470be1ffea44bca28ccb0e67a4cf5d744e2d2b981d00fdbb… (x_refsource_MISC)
- [shiro-user] 20210929 Re: CVE-2021-41303: Apache Shiro before 1.8.0, when using Apache Shiro with Spring Boot, a specially crafted HTTP request may cause an authentication bypass (mailing-list, x_refsource_MLIST)
- www.oracle.com/security-alerts/cpujul2022.html (x_refsource_MISC)
- security.netapp.com/advisory/ntap-20220609-0001/ (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2021-41303?
- CVE-2021-41303 is a vulnerability in Apache Software Foundation Shiro, classified under Improper Authentication. Published 2021-09-17.
- Is CVE-2021-41303 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.