Auth bypass in Accellion Kiteworks

CVE-2017-9421

Authentication Bypass vulnerability in Accellion kiteworks before 2017.01.00 allows remote attackers to execute certain API calls on behalf of a web user using a gathered token via a POST request to /oauth/token.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (64.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.0% 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-2017-9421: held from 0.011 to 0.010.

EPSS over last 30 days · oldest: 0.011 · newest: 0.010 · change: -0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-9421?
CVE-2017-9421 is a medium-severity vulnerability in Accellion Kiteworks, classified under Improper Authentication. CVSS score: 6.5/10. Published 2018-05-24.
How severe is CVE-2017-9421?
Medium severity. CVSS v3 base score is 6.5 out of 10.