CRITICAL
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
Published Apr 12, 2016
9.8
CRITICALCVSS 3.0
EPSS 3.06%
Description
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.06% 0.03063
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03063
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.06% (0.03063) | 87.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.06% (0.03063) | 85.86th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.65% (0.01652) | 80.33th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.88% (0.03878) | 80.12th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.65% (0.01652) | 80.76th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.32% (0.00315) | 71.21th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.32% (0.00315) | 69.53th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.32% (0.00315) | 65.58th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.48% (0.01484) | 73.53th | v2 (v2022.01.01) |
| Mar 3, 2023 | 1.48% (0.01484) | 73.52th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.48% (0.01484) | 71.52th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.48% (0.01484) | 50.61th | v2 (v2022.01.01) |
Weaknesses (1)
References (7)
- http://www.securityfocus.com/bid/82871 vdb-entryx_refsource_BID
- https://cwiki.apache.org/confluence/display/RANGER/Vulnerabilities+found+in+Ranger x_refsource_CONFIRMVendor Advisory
- https://github.com/advisories/GHSA-j84c-j8qm-g47r Advisory
- https://issues.apache.org/jira/browse/RANGER-835 x_refsource_CONFIRMVendor Advisory
- https://mail-archives.apache.org/mod_mbox/ranger-dev/201602.mbox/%3CD2D9A4C5.114ECA%25vel%40apache.org%3E mailing-listx_refsource_MLIST
- https://mail-archives.apache.org/mod_mbox/ranger-dev/201602.mbox/%3CD2D9A4C5.114ECA%25vel@apache.org%3E
- https://nvd.nist.gov/vuln/detail/CVE-2016-0733
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/82871 | vdb-entryx_refsource_BID | |
| https://cwiki.apache.org/confluence/display/RANGER/Vulnerabilities+found+in+Ranger | x_refsource_CONFIRMVendor Advisory | |
| https://github.com/advisories/GHSA-j84c-j8qm-g47r | Advisory | |
| https://issues.apache.org/jira/browse/RANGER-835 | x_refsource_CONFIRMVendor Advisory | |
| https://mail-archives.apache.org/mod_mbox/ranger-dev/201602.mbox/%3CD2D9A4C5.114ECA%25vel%40apache.org%3E | mailing-listx_refsource_MLIST | |
| https://mail-archives.apache.org/mod_mbox/ranger-dev/201602.mbox/%3CD2D9A4C5.114ECA%25vel@apache.org%3E | ||
| https://nvd.nist.gov/vuln/detail/CVE-2016-0733 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Apr 12, 2016
Updated Aug 5, 2024
Reserved Dec 16, 2015
Link CVE-2016-0733
CISA Vulnrichment
GHSA-J84C-J8QM-G47R Updated n/a