CVE-2025-15633 HCL BigFix WebUI is affected by an improper authorization vulnerability
Authenticated users without Master Operator privileges can access internal configuration data and bypass security controls via unprotected endpoints.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-15633?
CVE-2025-15633 is a medium-severity missing authorization vulnerability in HCLSoftware BigFix WebUI, published on 9 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An improper authorization vulnerability in HCL BigFix WebUI allows an authenticated user without Master Operator privileges to access internal data (site names, versions, and configuration variables) and bypass privilege requirements via unprotected endpoints lacking adequate security headers.
Weakness: CWE-863
Which versions are affected by CVE-2025-15633?
It affects 21 products.
Products include Hcltech Bigfix Webui Api, Hcltech Bigfix Webui Application Administration, Hcltech Bigfix Webui Cmep, Hcltech Bigfix Webui Common, Hcltech Bigfix Webui Content App, Hcltech Bigfix Webui Custom and 15 more.
How do I fix CVE-2025-15633?
No fix has been published for CVE-2025-15633 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-15633 being exploited?
There is no known exploitation of CVE-2025-15633 in the wild and no public exploit code.
Other vulnerabilities in HCLSoftware BigFix WebUI
Sources
Also known as GHSA-g22r-4r4g-6mwr.