CVE-2017-9421

Severity: medium (CVSS 6.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-05-24 · updated 2026-06-17
Weakness: CWE-287

Description

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.

Affected products

Kiteworks Email Protection Gateway: before 2017.01.00 — fixed in 2017.01.00

How to fix

Upgrade to a fixed version: Kiteworks Email Protection Gateway 2017.01.00. Check the vendor advisory for mitigations.

References

https://github.com/jer1nj0y/Vulns/blob/master/Kiteworks%20Vulnerability
https://github.com/jer1nj0y/Vulns/blob/master/Kiteworks%20Vulnerability

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