Auth bypass in Apache Ranger

CVE-2016-0733

The Admin UI in Apache Ranger before 0.5.1 does not properly handle authentication requests that lack a password, which allows remote attackers to bypass authentication by leveraging knowledge of a valid username.

Vulnerability class: Broken Authentication

EPSS: 0.031 (86.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-0733?
CVE-2016-0733 is a critical-severity vulnerability in Apache Ranger, classified under Improper Authentication. CVSS score: 9.8/10. Published 2016-04-12.
How severe is CVE-2016-0733?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-0733 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.