How severe is CVE-2025-15633?

CVE-2025-15633 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-15633 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-15633?

CVE-2025-15633 primarily affects Hcltech Bigfix Webui Api. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-15633?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-15633 have an EU (EUVD) identifier?

Yes. CVE-2025-15633 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209753.

When was CVE-2025-15633 published?

CVE-2025-15633 was published on 2026-05-09 and last updated on 2026-06-17.

CVE-2025-15633

CVE-2025-15633 is a medium-severity vulnerability in Hcltech Bigfix Webui Api with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 5.3
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209753
Weakness: CWE-863
Affected product: Hcltech Bigfix Webui Api
Published: 2026-05-09
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-15633?: CVE-2025-15633 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-15633 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-15633?: CVE-2025-15633 primarily affects Hcltech Bigfix Webui Api. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-15633?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-15633 have an EU (EUVD) identifier?: Yes. CVE-2025-15633 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209753.
When was CVE-2025-15633 published?: CVE-2025-15633 was published on 2026-05-09 and last updated on 2026-06-17.

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0130587

Affected products (21)

cpe:2.3:a:hcltech:bigfix_webui_api:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_application_administration:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_cmep:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_common:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_content_app:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_custom:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_data_sync:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_extensions:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_framework:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_insights:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_ivr:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_mdm:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_patch:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_patch_policies:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_permissions_and_preferences:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_profile_management:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_query:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_reports:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_scm:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_software_distribution:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_webui_take_action:*:*:*:*:*:*:*:*

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