Auth bypass in Mahara

CVE-2017-1000154

Mahara 15.04 before 15.04.8 and 15.10 before 15.10.4 and 16.04 before 16.04.2 are vulnerable to some authentication methods, which do not use Mahara's built-in login form, still allowing users to log in even if their institution was expired or suspended.

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: 0.013 (70.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.5% 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-2017-1000154: held from 0.012 to 0.013.

EPSS over last 30 days · oldest: 0.012 · newest: 0.013 · change: +0.001

Affected products

  • Mahara — versions 15.04, 15.04.0, 15.04.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-1000154?
CVE-2017-1000154 is a critical-severity vulnerability in Mahara, classified under Improper Authentication. CVSS score: 9.8/10. Published 2017-11-03.
How severe is CVE-2017-1000154?
Critical severity. CVSS v3 base score is 9.8 out of 10.