CVE-2020-1957
shiro - security update
9.8
CRITICAL
CVSS 3.1
EPSS 88.6%
Description
Apache Shiro before 1.5.2, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.
How to fix CVE-2020-1957
To remediate CVE-2020-1957, upgrade the affected package to a fixed version below.
- Debian/shiro—upgrade to 1.3.2-4+deb11u1 or later
- Debian/shiro—upgrade to 1.2.3-1+deb8u1 or later
- —upgrade to 1.5.2 or later
Is CVE-2020-1957 being exploited?
Likely — EPSS is 88.6%, placing CVE-2020-1957 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (3)
- from 0, < 1.3.2-4+deb11u1
- from 0, < 1.2.3-1+deb8u1
- from 0, < 1.5.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |