Path traversal in Apache Shiro
Priority MEDIUM 53CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.
Summary
Apache Shiro, before 1.12.0 or 2.0.0-alpha-3, may be susceptible to a path traversal attack that results in an authentication bypass when used together with APIs or other web frameworks that route requests based on non-normalized requests. Mitigation: Update to Apache Shiro 1.12.0+ or 2.0.0-alpha-3+
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02074 81st percentileScored 2026-11-07
Fix Fixed Apache Shiro (Apache Software Foundation): 1.12.0, 2.0.0-alpha-3org.apache.shiro:shiro-web (Maven): 1.12.0, 2.0.0-alpha-3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apache | Apache Shiro | before 1.12.0; before 2.0.0-alpha-3 | 1.12.0, 2.0.0-alpha-3 | Patch available | CNA |
| — | org.apache.shiro:shiro-web (Maven) | before 1.12.0 | 1.12.0 | Patch available | GHSA-pmhc-2g4f-85cg |
| — | org.apache.shiro:shiro-web (Maven) | 2.0.0-alpha-1 to before 2.0.0-alpha-3 | 2.0.0-alpha-3 | Patch available | GHSA-pmhc-2g4f-85cg |
- Apache Shiro VendorApache Affected before 1.12.0; before 2.0.0-alpha-3 Fixed in 1.12.0, 2.0.0-alpha-3 Patch available CNA
- org.apache.shiro:shiro-web (Maven) Vendor— Affected before 1.12.0 Fixed in 1.12.0 Patch available GHSA-pmhc-2g4f-85cg
- org.apache.shiro:shiro-web (Maven) Vendor— Affected 2.0.0-alpha-1 to before 2.0.0-alpha-3 Fixed in 2.0.0-alpha-3 Patch available GHSA-pmhc-2g4f-85cg
Remediation
- Fix · CNA Apache Shiro (Apache Software Foundation) Fixed in 1.12.0, 2.0.0-alpha-3
- Fix · GHSA-pmhc-2g4f-85cg org.apache.shiro:shiro-web (Maven) Fixed in 1.12.0 Advisory →
- Fix · GHSA-pmhc-2g4f-85cg org.apache.shiro:shiro-web (Maven) Fixed in 2.0.0-alpha-3 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-34478
- 2026-10-03 Alias added: GHSA-pmhc-2g4f-85cg
References
Advisory 3
More Apache Shiro vulnerabilities
- TI-2016-03813 Apache Shiro before 1.2.5, when a cipher key has not been configured for the "remember… KEVCVSS 3.1CRITICAL 9.8
- TI-2020-13272 Improper authentication in Apache Shiro CVSS 3.1CRITICAL 9.8
- TI-2021-18132 Improper authentication in Apache Shiro CVSS 3.1CRITICAL 9.8
- TI-2022-14167 Authentication bypass in Apache Shiro CVSS 3.1CRITICAL 9.8
- TI-2020-09649 Improper authentication in Apache Shiro CVSS 3.1CRITICAL 9.8
- TI-2020-10910 Apache Shiro before 1.6.0, when using Apache Shiro, a specially crafted HTTP request may cause an authentication bypass. CVSS 3.1HIGH 7.5
Sources
- CVE-2023-34478 · CVE Program
- CVE-2023-34478 · NVD
- FIRST EPSS
- GHSA-pmhc-2g4f-85cg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences