What is CVE-2016-4950?

CVE-2016-4950 is a high-severity vulnerability in Cloudera Manager, classified under Information Disclosure. CVSS score: 7.5/10. Published 2017-03-07.

How severe is CVE-2016-4950?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Cloudera Manager

CVE-2016-4950

Cloudera Manager 5.5 and earlier allows remote attackers to enumerate user sessions via a request to /api/v11/users/sessions.

Vulnerability class: Information Disclosure

Published 2017-03-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.016 (74.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Cloudera Manager

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.securityfocus.com/bid/93879 (vdb-entry)
2016.hack.lu/archive/2016/Wavestone - Hack.lu 2016 - Hadoop safari - Hunting fo… (Third Party Advisory)

Frequently asked questions

What is CVE-2016-4950?: CVE-2016-4950 is a high-severity vulnerability in Cloudera Manager, classified under Information Disclosure. CVSS score: 7.5/10. Published 2017-03-07.
How severe is CVE-2016-4950?: High severity. CVSS v3 base score is 7.5 out of 10.