Path Traversal in Apache Shiro
CVE-2023-34478
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+
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (80.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Apache Shiro — versions 2.0.0
- Apache Software Foundation Shiro — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.apache.org/thread/mbv26onkgw9o35rldh7vmq11wpv2t2qk (vendor-advisory, Mailing List)
- www.openwall.com/lists/oss-security/2023/07/24/4 (Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20230915-0005/
Frequently asked questions
- What is CVE-2023-34478?
- CVE-2023-34478 is a critical-severity vulnerability in Apache Shiro, classified under Path Traversal. CVSS score: 9.8/10. Published 2023-07-24.
- How severe is CVE-2023-34478?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-34478 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.