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
Description
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.
Official description from the CVE record, published by apache. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
EPSS
Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.
- Score
- 0.76130 (76.1% probability)
- Percentile
- 99.5%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
Weakness (CWE)
CWE catalog version 5.0.
CWE names: Copyright © 2006-2026, The MITRE Corporation. See /security/cve/legal for the CWE license.
- CWE-287Improper Authentication
Affected products
Products listed in the CVE record, as the CNA published them.
Apache Shiro
- affected: Apache Shiro up to before 1.8.0
References
Links listed in the CVE record. They lead to other sites, which CubePath does not control.
- lists.apache.org/thread.html/re470be1ffea44bca28ccb0e67a4cf…
- [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 (lists.apache.org)mailing-list
- oracle.com/security-alerts/cpujul2022.html
- security.netapp.com/advisory/ntap-20220609-0001
Timeline
- ID reserved
- Record published
- Record last updated
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About CubePath
CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.
Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:51 UTC. Sources and licenses