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CVE-2026-21767: hclsoftware bigfix platform

CVSS: 4.0v3.1MediumAnalyzed
Published 01-04-2026Last modified 02-04-2026
Open JSON

Vulnerability summary

CVE-2026-21767 is a medium (CVSS 4.0) vulnerability in hclsoftware bigfix platform. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1.3% of scored vulnerabilities.

Overall risk
16/100
0100
Low · default modelHow is this calculated?
CVSS score
4.0/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.11%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-04-2026
    PublishedVulnerability first disclosed.
  2. 02-04-2026
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.11%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

0.00 pp

From 0.11% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.11%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Hclsoftware1 product
Hcltech1 product

2 vendors · 2 products

References

1 links