Auth bypass in Apache Hadoop

CVE-2018-11765

In Apache Hadoop versions 3.0.0-alpha2 to 3.0.0, 2.9.0 to 2.9.2, 2.8.0 to 2.8.5, any users can access some servlets without authentication when Kerberos authentication is enabled and SPNEGO through HTTP is not enabled.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.052 (92.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-11765: held from 0.052 to 0.052.

EPSS over last 30 days · oldest: 0.052 · newest: 0.052 · change: 0.000

Affected products

  • Apache Hadoop — versions 3.0.0
  • Apache Hadoop — versions Apache Hadoop 3.0.0-alpha2 to 3.0.0, 2.9.0 to 2.9.2, 2.8.0 to 2.8.5

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-11765?
CVE-2018-11765 is a high-severity vulnerability in Apache Hadoop, classified under Improper Authentication. CVSS score: 7.5/10. Published 2020-09-30.
How severe is CVE-2018-11765?
High severity. CVSS v3 base score is 7.5 out of 10.