Vulnerability · Published Aug 17, 2020 · Assigned by apache

CVE-2020-13933

High 7.5

In plain English

A high-severity security flaw in Apache Shiro. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 44.4% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)44.4%top 1.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC

Official description

Apache Shiro before 1.6.0, when using Apache Shiro, a specially crafted HTTP request may cause an authentication bypass.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12shiro1.3.2-5DEBIAN-CVE-2020-13933
Debian:13shiro1.3.2-5DEBIAN-CVE-2020-13933
Debian:14shiro1.3.2-5DEBIAN-CVE-2020-13933
Mavenorg.apache.shiro:shiro-core1.6.0GHSA-2vgm-wxr3-6w2j
Ubuntu:22.04:LTSshiro1.3.2-5UBUNTU-CVE-2020-13933

Affected products (as reported)

VendorProductVersions
n/a Apache Shiro Apache Shiro before version 1.6.0

References