Auth bypass in Hclsoftware Bigfix Webui
CVE-2025-15633
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.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (11.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Hclsoftware Bigfix Webui — versions all versions
- 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
- Hcltech Bigfix Webui Data Sync
- Hcltech Bigfix Webui Extensions
- Hcltech Bigfix Webui Framework
Weakness classification (CWE)
References
- support.hcl-software.com/csm (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-15633?
- CVE-2025-15633 is a medium-severity vulnerability in Hclsoftware Bigfix Webui, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-05-09.
- How severe is CVE-2025-15633?
- Medium severity. CVSS v3 base score is 6.5 out of 10.