AUGUST 4, 2026
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Case File

CVE-2021-41303

CRITICAL · CVSS 9.8 EPSS 76.66%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-17 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects Apache. Its EPSS score suggests a 76.7% probability of exploitation in the next 30 days.

CVE
CVE-2021-41303
Severity
CRITICAL
CVSS
9.8
EPSS
76.66%
Apache

Original NVD Description

Apache Shiro before 1.8.0, when using Apache Shiro with Spring Boot, a specially crafted HTTP request may cause an authentication bypass. Users should update to Apache Shiro 1.8.0.

Related CVEs

Other vulnerabilities affecting the same vendor(s)