CVE-2020-11989
shiro - security update
9.8
CRITICAL
CVSS 3.1
EPSS 84.7%
Description
Apache Shiro before 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.
How to fix CVE-2020-11989
To remediate CVE-2020-11989, upgrade the affected package to a fixed version below.
- Debian/shiro—upgrade to 1.3.2-4+deb11u1 or later
- Debian/shiro—upgrade to 1.3.2-1+deb9u1 or later
- —upgrade to 1.5.3 or later
Is CVE-2020-11989 being exploited?
Likely — EPSS is 84.7%, placing CVE-2020-11989 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (3)
- from 0, < 1.3.2-4+deb11u1
- from 0, < 1.3.2-1+deb9u1
- from 0, < 1.5.3
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 |