9.8

CVE-2016-0733: apache ranger Improper Authentication

CVSS: 9.8v3.0CriticalModified
AliasesGHSA-j84c-j8qm-g47r
Published 12-04-2016Last modified 05-08-2024

Vulnerability summary

CVE-2016-0733 is a critical (CVSS 9.8) Improper Authentication vulnerability in apache ranger. EPSS estimates a 3.06% chance of exploitation in the next 30 days, higher than 87.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
3.06%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-04-2016
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

3.06%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 3.06% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.06%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apache1 product
Org.apache.ranger1 product
  • ranger< 0.5.1

2 vendors · 2 products

References

7 links