CVE-2026-21767 (GCVE-0-2026-21767)
Vulnerability from cvelistv5 – Published: 2026-04-01 23:47 – Updated: 2026-04-02 18:22
VLAI
EPSS
VEX
Title
HCL BigFix Platform is affected by insufficient authentication
Summary
HCL BigFix Platform is affected by insufficient authentication. The application might allow users to access sensitive areas of the application without proper authentication.
Severity
4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-02 18:21 UTC
CWE
- CWE-306 - Missing authentication for critical function
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| HCLSoftware | BigFix Platform |
Affected:
11.0.0 - 11.0.5
|
guessed |
Date Public
2026-04-01 23:35
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-21767",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-04-02T18:21:56.731436Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-04-02T18:22:19.150Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "BigFix Platform",
"vendor": "HCLSoftware",
"versions": [
{
"status": "affected",
"version": "11.0.0 - 11.0.5"
}
]
}
],
"datePublic": "2026-04-01T23:35:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "HCL BigFix Platform is affected by\u003cstrong\u003e\u0026nbsp;\u003c/strong\u003einsufficient authentication.\u0026nbsp; The application might allow users to access sensitive areas of the application without proper authentication."
}
],
"value": "HCL BigFix Platform is affected by\u00a0insufficient authentication.\u00a0 The application might allow users to access sensitive areas of the application without proper authentication."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-306",
"description": "CWE-306 Missing authentication for critical function",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-01T23:47:39.363Z",
"orgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc",
"shortName": "HCL"
},
"references": [
{
"url": "https://support.hcl-software.com/csm?id=kb_article\u0026sysparm_article=KB0129906"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "HCL BigFix Platform is affected by\u00a0insufficient authentication",
"x_generator": {
"engine": "Vulnogram 1.0.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc",
"assignerShortName": "HCL",
"cveId": "CVE-2026-21767",
"datePublished": "2026-04-01T23:47:39.363Z",
"dateReserved": "2026-01-05T16:07:58.367Z",
"dateUpdated": "2026-04-02T18:22:19.150Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-21767",
"date": "2026-09-18",
"epss": "0.00114",
"percentile": "0.01672"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "BigFix Platform",
"vendor": "HCLSoftware",
"versions": [
{
"status": "affected",
"version": "11.0.0 - 11.0.5"
}
]
}
],
"source": "psirt@hcl.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:hcltech:bigfix_platform:*:*:*:*:*:*:*:*",
"matchCriteriaId": "655B6D28-5486-4ACF-B28F-7346BFB377D0",
"versionEndIncluding": "11.0.5",
"versionStartIncluding": "11.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "HCL BigFix Platform is affected by\u00a0insufficient authentication.\u00a0 The application might allow users to access sensitive areas of the application without proper authentication."
}
],
"id": "CVE-2026-21767",
"lastModified": "2026-06-17T10:19:00.250",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 4.0,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.5,
"impactScore": 1.4,
"source": "psirt@hcl.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 3.3,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 1.4,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-21767",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-04-02T18:21:56.731436Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-04-02T00:16:24.147",
"references": [
{
"source": "psirt@hcl.com",
"tags": [
"Vendor Advisory"
],
"url": "https://support.hcl-software.com/csm?id=kb_article\u0026sysparm_article=KB0129906"
}
],
"sourceIdentifier": "psirt@hcl.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-306"
}
],
"source": "psirt@hcl.com",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-04-03T05:08:21+00:00",
"cve": "CVE-2026-21767",
"id": "CVE-2026-21767",
"initial_release_date": "2026-04-01T23:35:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "HCL BigFix Platform is affected by\u00a0insufficient authentication",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-21767.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-21767",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-04-02T18:21:56.731436Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-04-02T18:22:11.303Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "BigFix Platform",
"vendor": "HCLSoftware",
"versions": [
{
"status": "affected",
"version": "11.0.0 - 11.0.5"
}
]
}
],
"datePublic": "2026-04-01T23:35:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "HCL BigFix Platform is affected by\u003cstrong\u003e\u0026nbsp;\u003c/strong\u003einsufficient authentication.\u0026nbsp; The application might allow users to access sensitive areas of the application without proper authentication."
}
],
"value": "HCL BigFix Platform is affected by\u00a0insufficient authentication.\u00a0 The application might allow users to access sensitive areas of the application without proper authentication."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-306",
"description": "CWE-306 Missing authentication for critical function",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-01T23:47:39.363Z",
"orgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc",
"shortName": "HCL"
},
"references": [
{
"url": "https://support.hcl-software.com/csm?id=kb_article\u0026sysparm_article=KB0129906"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "HCL BigFix Platform is affected by\u00a0insufficient authentication",
"x_generator": {
"engine": "Vulnogram 1.0.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc",
"assignerShortName": "HCL",
"cveId": "CVE-2026-21767",
"datePublished": "2026-04-01T23:47:39.363Z",
"dateReserved": "2026-01-05T16:07:58.367Z",
"dateUpdated": "2026-04-01T23:47:39.363Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…