Vulnerability · 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, versio…
Published May 9, 2026 · corrected/updated Jul 25, 2026 · hcltech bigfix webui api · evidence confidence high
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.
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2025-15633 is a medium public vulnerability record for hcltech bigfix webui api. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether hcltech bigfix webui api is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: hcltech/bigfix webui api; hcltech/bigfix webui application administration; hcltech/bigfix webui cmep; hcltech/bigfix webui common. Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: CVSS 5.3, EPSS 0.2%. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-863. Sources contributing to this record: cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.
Patch and remediation
No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
May 9, 2026 · NIST NVD
Detected
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.
Jul 25, 2026 · NIST NVD
Updated
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.
Affected
- cpe hcltech/bigfix webui apiversion unspecified
- cpe hcltech/bigfix webui application administrationversion unspecified
- cpe hcltech/bigfix webui cmepversion unspecified
- cpe hcltech/bigfix webui commonversion unspecified
- cpe hcltech/bigfix webui content appversion unspecified
- cpe hcltech/bigfix webui customversion unspecified
- cpe hcltech/bigfix webui data syncversion unspecified
- cpe hcltech/bigfix webui extensionsversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2025-15633
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-15633
30-day exploitation probability 0.2%
first.org - NIST NVDVulnerability recordCVE-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 sec
nvd.nist.gov