CVE-2016-0733
The Admin UI in Apache Ranger before 0.5.1 does not properly handle authentication requests that lack a password
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2016-0733- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2016-0733- Updated
- 2026-11-02
EUVDEUVD-2018-0626 No score
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.
- Record
EUVD-2018-0626- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j84c-j8qm-g47r
The Admin UI in Apache Ranger before 0.5.1 does not properly handle authentication requests that lack a password
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.
- Record
GHSA-j84c-j8qm-g47r- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
OSVGHSA-j84c-j8qm-g47r
The Admin UI in Apache Ranger before 0.5.1 does not properly handle authentication requests that lack a password
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.
- Record
GHSA-j84c-j8qm-g47r- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.ranger:rangerMaven |
before 0.5.1 | 0.5.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-0733 is a critical vulnerability (CVSS 9.8) in Apache Ranger, published April 12, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.06%, the 87th percentile. Fixed in org.apache.ranger:ranger 0.5.1.
References
securityfocus.com/bid/82871
mail-archives.apache.org/mod_mbox/ranger-dev/201602.mbox/%3CD2D9A4C5.114ECA%25vel%40apache.org%3E
issues.apache.org/jira/browse/RANGER-835
cwiki.apache.org/confluence/display/RANGER/Vulnerabilities+found+in+Ranger
nvd.nist.gov/vuln/detail/CVE-2016-0733
github.com/advisories/GHSA-j84c-j8qm-g47r