How severe is CVE-2026-21767?

CVE-2026-21767 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-21767 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21767?

CVE-2026-21767 affects Hcltech Bigfix Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21767?

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

Does CVE-2026-21767 have an EU (EUVD) identifier?

Yes. CVE-2026-21767 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18096.

When was CVE-2026-21767 published?

CVE-2026-21767 was published on 2026-04-02 and last updated on 2026-06-17.

CVE-2026-21767

CVE-2026-21767 is a medium-severity vulnerability in Hcltech Bigfix Platform with a CVSS 3.x base score of 4.0. 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-306.

Key facts

Severity: Medium (CVSS 3.x base score 4.0)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18096
Weakness: CWE-306
Affected product: Hcltech Bigfix Platform
Published: 2026-04-02
Last modified: 2026-06-17

Description

HCL BigFix Platform is affected by insufficient authentication. The application might allow users to access sensitive areas of the application without proper authentication.

Frequently asked questions

What is CVE-2026-21767?: HCL BigFix Platform is affected by insufficient authentication. The application might allow users to access sensitive areas of the application without proper authentication.
How severe is CVE-2026-21767?: CVE-2026-21767 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-21767 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21767?: CVE-2026-21767 affects Hcltech Bigfix Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21767?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-21767 have an EU (EUVD) identifier?: Yes. CVE-2026-21767 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18096.
When was CVE-2026-21767 published?: CVE-2026-21767 was published on 2026-04-02 and last updated on 2026-06-17.

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129906

Affected products (1)

cpe:2.3:a:hcltech:bigfix_platform:*:*:*:*:*:*:*:*

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