Auth bypass in Apache Shiro

CVE-2014-0074

Apache Shiro 1.x before 1.2.3, when using an LDAP server with unauthenticated bind enabled, allows remote attackers to bypass authentication via an empty (1) username or (2) password.

Vulnerability class: Broken Authentication

Published 2014-10-06 · last modified 2026-06-17.

CVSS v2 metric

CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.055 (92.5th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.055 · newest: 0.055 · change: 0.000

Affected products

Apache Shiro — versions 1.0.0, 1.1.0, 1.2.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

seclists.org/fulldisclosure/2014/Mar/22 (mailing-list)
issues.apache.org/jira/browse/SHIRO-460 (Exploit, Vendor Advisory)
rhn.redhat.com/errata/RHSA-2014-1351.html (vendor-advisory)