Vulnerability in Apache Shiro
CVE-2020-1957
Apache Shiro before 1.5.2, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.
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: 0.233 (97.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.233 · newest: 0.233 · change: 0.000
Affected products
- Apache Shiro
- Debian Linux — versions 8.0
- Apache Shiro — versions Apache Shiro to 1.5.2
Public proof-of-concept exploits
References
- lists.apache.org/thread.html/r17f371fc89d34df2d0c8131473fbc68154290e1be23889564… (Mailing List, Vendor Advisory)
- lists.apache.org/thread.html/rc64fb2336683feff3580c3c3a8b28e80525077621089641f2… (mailing-list)
- lists.apache.org/thread.html/rb3982edf8bc8fcaa7a308e25a12d294fb4aac1f1e9d4e14fd… (mailing-list)
- lists.debian.org/debian-lts-announce/2020/04/msg00014.html (mailing-list, Mailing List, Third Party Advisory)
- lists.apache.org/thread.html/rc8b39ea8b3ef71ddc1cd74ffc866546182683c8adecf19c26… (mailing-list)
- lists.apache.org/thread.html/r2d2612c034ab21a3a19d2132d47d3e4aa70105008dd58af62… (mailing-list)
- lists.apache.org/thread.html/rab1972d6b177f7b5c3dde9cfb0a40f03bca75f0eaf1d8311e… (mailing-list)
Frequently asked questions
- What is CVE-2020-1957?
- CVE-2020-1957 is a critical-severity vulnerability in Apache Shiro. CVSS score: 9.8/10. Published 2020-03-25.
- How severe is CVE-2020-1957?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-1957 known to be exploited?
- 34 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.