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CVE-2016-0733

28
FAUCET Score

CVE-2016-0733 is a critical authentication bypass vulnerability affecting the Admin UI in Apache Ranger versions prior to 0.5.1. Attackers can exploit this by providing a valid username without a password, gaining unauthorized access. With a CVSS score of 9.8, this flaw allows for complete compromise of confidentiality, integrity, and availability. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.5.0CPE matchmatch criteria
cpe:2.3:a:apache:ranger:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.06%
Probability of exploitation in next 30 days
EPSS Percentile
86.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0306 is in the 78th percentile among its peer group of 36,821 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: org.apache.ranger:rangerFixed in: 0.5.1

Vendor Advisories (1)

mavenGHSA-j84c-j8qm-g47rcritical

The Admin UI in Apache Ranger before 0.5.1 does not properly handle authentication requests that lack a password

Oct 17, 2018

References

cwiki.apache.org / confluence/display/RANGER/Vulnerabilities+found+in+Ranger
Vendor Advisory
issues.apache.org / jira/browse/RANGER-835
Vendor Advisory
mail-archives.apache.org / mod_mbox/ranger-dev/201602.mbox/%3CD2D9A4C5.114ECA%25vel%40apache.org%3E
securityfocus.com / bid/82871