Improper authentication in Apache Shiro
Priority MEDIUM 62CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-287.
Summary
Apache Shiro before 1.5.2, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.
Why it matters now
EPSS 0.23326 97th percentileScored 2026-11-07
Fix Partial org.apache.shiro:shiro-core (Maven): 1.5.2Red Hat: 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Apache Shiro | Apache Shiro to 1.5.2 | — | No fix listed | CNA |
| — | org.apache.shiro:shiro-core (Maven) | before 1.5.2 | 1.5.2 | Patch available | GHSA-26gr-cvq3-qxgf |
- Apache Shiro Vendor— Affected Apache Shiro to 1.5.2 Fixed in — No fix listed CNA
- org.apache.shiro:shiro-core (Maven) Vendor— Affected before 1.5.2 Fixed in 1.5.2 Patch available GHSA-26gr-cvq3-qxgf
Remediation
- Fix · GHSA-26gr-cvq3-qxgf org.apache.shiro:shiro-core (Maven) Fixed in 1.5.2 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenStack Platform 10 (Newton) | Affected | No fix planned: Will not fix |
| Red Hat OpenStack Platform 13 (Queens) | Affected | No fix planned: Will not fix |
Not affected: 4 products
- Red Hat Fuse 7
- Red Hat JBoss A-MQ 6
- Red Hat JBoss Fuse 6
- Red Hat JBoss Fuse Service Works 6
Timeline
- 2026-10-02 Threatist record created from CVE-2020-1957
- 2026-10-03 Alias added: GHSA-26gr-cvq3-qxgf
References
Advisory 3
Other 11
- [camel-commits] 20200325 [camel] branch camel-3.0.x updated: Updating Shiro to 1.5.2 due to CVE-2020-1957
- [geode-dev] 20200406 Proposal to bring GEODE-7941 to support/1.12
- [shiro-commits] 20200622 svn commit: r1879089 - /shiro/site/publish/security-reports.html
- [shiro-commits] 20200622 svn commit: r1879088 - /shiro/site/publish/security-reports.html
- [shiro-commits] 20200817 svn commit: r1880941 - /shiro/site/publish/security-reports.html
- https://github.com/apache/shiro
- https://lists.apache.org/thread.html/r2d2612c034ab21a3a19d2132d47d3e4aa70105008dd58af62b653040@%3Ccommits.shiro.apache.org%3E
- https://lists.apache.org/thread.html/rab1972d6b177f7b5c3dde9cfb0a40f03bca75f0eaf1d8311e5762cb3@%3Ccommits.shiro.apache.org%3E
- https://lists.apache.org/thread.html/rb3982edf8bc8fcaa7a308e25a12d294fb4aac1f1e9d4e14fda639e77@%3Cdev.geode.apache.org%3E
- https://lists.apache.org/thread.html/rc64fb2336683feff3580c3c3a8b28e80525077621089641f2f386b63@%3Ccommits.camel.apache.org%3E
- https://lists.apache.org/thread.html/rc8b39ea8b3ef71ddc1cd74ffc866546182683c8adecf19c263fe7ac0@%3Ccommits.shiro.apache.org%3E
Sources
- CVE-2020-1957 · CVE Program
- CVE-2020-1957 · NVD
- FIRST EPSS
- GHSA-26gr-cvq3-qxgf · GitHub Advisory Database · CC BY 4.0
- CVE-2020-1957 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences