What’s Vulnerable › Vulnerabilities
CVE-2020-1957
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 23.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-03-25 · updated 2026-06-17
Description
Apache Shiro before 1.5.2, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.
Affected products
- Apache Software Foundation Apache Shiro: before 1.5.2 — fixed in 1.5.2
- Debian Linux: 8.0
How to fix
Upgrade to a fixed version: Apache Software Foundation Apache Shiro 1.5.2. Check the vendor advisory for mitigations.
References
- https://lists.apache.org/thread.html/r17f371fc89d34df2d0c8131473fbc68154290e1be238895648f5a1e6%40%3Cdev.shiro.apache.org%3E
- https://lists.apache.org/thread.html/r2d2612c034ab21a3a19d2132d47d3e4aa70105008dd58af62b653040%40%3Ccommits.shiro.apache.org%3E
- https://lists.apache.org/thread.html/rab1972d6b177f7b5c3dde9cfb0a40f03bca75f0eaf1d8311e5762cb3%40%3Ccommits.shiro.apache.org%3E
- https://lists.apache.org/thread.html/rb3982edf8bc8fcaa7a308e25a12d294fb4aac1f1e9d4e14fda639e77%40%3Cdev.geode.apache.org%3E
- https://lists.apache.org/thread.html/rc64fb2336683feff3580c3c3a8b28e80525077621089641f2f386b63%40%3Ccommits.camel.apache.org%3E
- https://lists.apache.org/thread.html/rc8b39ea8b3ef71ddc1cd74ffc866546182683c8adecf19c263fe7ac0%40%3Ccommits.shiro.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2020/04/msg00014.html
- https://lists.apache.org/thread.html/r17f371fc89d34df2d0c8131473fbc68154290e1be238895648f5a1e6%40%3Cdev.shiro.apache.org%3E
- https://lists.apache.org/thread.html/r2d2612c034ab21a3a19d2132d47d3e4aa70105008dd58af62b653040%40%3Ccommits.shiro.apache.org%3E
- https://lists.apache.org/thread.html/rab1972d6b177f7b5c3dde9cfb0a40f03bca75f0eaf1d8311e5762cb3%40%3Ccommits.shiro.apache.org%3E
- https://lists.apache.org/thread.html/rb3982edf8bc8fcaa7a308e25a12d294fb4aac1f1e9d4e14fda639e77%40%3Cdev.geode.apache.org%3E
- https://lists.apache.org/thread.html/rc64fb2336683feff3580c3c3a8b28e80525077621089641f2f386b63%40%3Ccommits.camel.apache.org%3E
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