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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.031 (87.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/82871 (vdb-entry)
- mail-archives.apache.org/mod_mbox/ranger-dev/201602.mbox/<D2D9A4C5.114ECA%vel@a… (mailing-list)
- issues.apache.org/jira/browse/RANGER-835 (Vendor Advisory)
- cwiki.apache.org/confluence/display/RANGER/Vulnerabilities+found+in+Ranger (Vendor Advisory)
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.