CVE-2017-9421 Auth bypass in n/a
Remote attackers can bypass authentication to execute API calls on behalf of users via a crafted token request in Accellion kiteworks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-9421?
CVE-2017-9421 is a medium-severity authentication bypass vulnerability in Accellion Kiteworks, published on 24 May 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-287
Which versions are affected by CVE-2017-9421?
It affects 1 product.
Products include Accellion Kiteworks.
How do I fix CVE-2017-9421?
No fix has been published for CVE-2017-9421 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2017-9421 being exploited?
There is no known exploitation of CVE-2017-9421 in the wild and no public exploit code.
Other vulnerabilities in Accellion Kiteworks
- CVE-2026-102115 Kiteworks Core Authentication Bypass in the Password Reset Workflow
- CVE-2026-102149 Kiteworks Email Protection Gateway Improper Access Control
- CVE-2026-102147 Kiteworks Core Administrative Account Takeover through Stored Cross-site Scripting (XSS)
- CVE-2026-102095 Kiteworks Email Protection Gateway server-side request forgery
- CVE-2026-102102 Kiteworks Email Protection Gateway server-side request forgery
Sources
Also known as GHSA-q566-6jpj-4x53.