CVE Feed

    Dashboard / CVE / CVE-2021-41303

    CVE-2021-41303

    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.

    Published:Sep 16, 2021
    Last Modified:Nov 21, 2024
    EPS:Sep 17, 2021
    EPSS Score:0.55141
    CVSS Score:9.8

    Affected Products

    Vendor
    Apache
    Product
    Shiro
    Vendor
    Oracle
    Product
    Financial Services Crime And Compliance Management Studio

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    Related CVEs

    CVE-2026-58301 (CVSS 5.9) — When Apache Shiro is used with the Jakarta EE integration module, a low-privileged user can craft an HTTP requ…
    CVE-2026-56091 (CVSS 8.2) — When using Apache Shiro with the shiro-guice module in a web servlet context, a specially crafted HTTP request…
    CVE-2026-56130 (CVSS 2) — "Remember me" cookie age is not verified on the server. This potentially allows an attacker to intercept a val…
    CVE-2026-49268 (CVSS 8.8) — A remote attacker can inject LDAP special characters into the Distinguished Name (DN) construction in DefaultL…
    CVE-2026-48589 (CVSS 0) — Apache Shiro’s Jakarta EE module used the HTTP Referer header in certain cases to issue redirect after a user …
    CVE-2026-44598 (CVSS 5.1) — With valid login credentials, URL Redirection to Untrusted Site ('Open Redirect'), Server-Side Request Forgery…
    CVE-2026-43828 (CVSS 5.9) — Default configurations of Apache Shiro send sensitive cookies in HTTPS session without 'Secure' attribute. …
    CVE-2026-43827 (CVSS 5.9) — Default configurations of Apache Shiro have a session fixation vulnerability. This issue affects Apache Shiro…
    CVE-2026-23901 (CVSS 1) — Observable Timing Discrepancy vulnerability in Apache Shiro. This issue affects Apache Shiro: from 1.*, 2.* b…
    CVE-2026-23903 (CVSS 5.3) — Authentication Bypass by Alternate Name vulnerability in Apache Shiro. This issue affects Apache Shiro: befor…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High