CVE-2021-36724

ForeScout - SecureConnector Local Service DoS

View on CVE.org

Published Dec 29, 2021 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed

Description

ForeScout - SecureConnector Local Service DoS - A low privilaged user which doesn't have permissions to shutdown the secure connector service writes a large amount of characters in the installationPath. This will cause the buffer to overflow and override the stack cookie causing the service to crash.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

ForeScout

eServices / eNvoice

affected

Version	Status	Constraints
`SecureConnector 11.0.4.1024`	affected	—

Configuration 1 [-]

cpe:2.3:a:forescout:secureconnector:11.0.4.1024:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

HotFix was released

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-23317	ForeScout - SecureConnector Local Service DoS - A low privilaged user which doesn't have permissions to shutdown the secure connector service writes a large amount of characters in the installationPath. This will cause the buffer to overflow and override the stack cookie causing the service to crash.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.223% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.gov.il/en/departments/faq/cve_advisories

History

No history.

Subscriptions

Forescout Secureconnector

Weaknesses

CWE-120

Sources

CVE record Updated: Sep 16, 2024, 8:07 PM

Status: PUBLISHED
Assigner: INCD
Published: Dec 29, 2021, 5:02 PM
Updated: Sep 16, 2024, 8:07 PM
Reserved: Jul 12, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:59 AM

Status: Modified
Published: Dec 29, 2021, 6:15 PM
Modified: Jun 17, 2026, 3:59 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "eServices / eNvoice", "vendor": "ForeScout", "versions": [{"status": "affected", "version": "SecureConnector 11.0.4.1024"}]}], "credits": [{"lang": "en", "value": "Alex Katziv - Novartis"}], "datePublic": "2021-12-28T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "ForeScout - SecureConnector Local Service DoS - A low privilaged user which doesn't have permissions to shutdown the secure connector service writes a large amount of characters in the installationPath. This will cause the buffer to overflow and override the stack cookie causing the service to crash."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Local Service DoS", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-12-29T17:02:42.000Z", "orgId": "a57ee1ae-c9c1-4f40-aa7b-cf10760fde3f", "shortName": "INCD"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.gov.il/en/departments/faq/cve_advisories"}], "solutions": [{"lang": "en", "value": "HotFix was released"}], "source": {"advisory": "ILVN-2021-0009", "defect": ["ILVN-2021-0009"], "discovery": "EXTERNAL"}, "title": "ForeScout - SecureConnector Local Service DoS", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cna@cyber.gov.il", "DATE_PUBLIC": "2021-12-28T11:43:00.000Z", "ID": "CVE-2021-36724", "STATE": "PUBLIC", "TITLE": "ForeScout - SecureConnector Local Service DoS"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "eServices / eNvoice", "version": {"version_data": [{"version_name": "SecureConnector", "version_value": "11.0.4.1024"}]}}]}, "vendor_name": "ForeScout"}]}}, "credit": [{"lang": "eng", "value": "Alex Katziv - Novartis"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "ForeScout - SecureConnector Local Service DoS - A low privilaged user which doesn't have permissions to shutdown the secure connector service writes a large amount of characters in the installationPath. This will cause the buffer to overflow and override the stack cookie causing the service to crash."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Local Service DoS"}]}]}, "references": {"reference_data": [{"name": "https://www.gov.il/en/departments/faq/cve_advisories", "refsource": "CONFIRM", "url": "https://www.gov.il/en/departments/faq/cve_advisories"}]}, "solution": [{"lang": "en", "value": "HotFix was released"}], "source": {"advisory": "ILVN-2021-0009", "defect": ["ILVN-2021-0009"], "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:01:58.922Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.gov.il/en/departments/faq/cve_advisories"}]}]}, "cveMetadata": {"assignerOrgId": "a57ee1ae-c9c1-4f40-aa7b-cf10760fde3f", "assignerShortName": "INCD", "cveId": "CVE-2021-36724", "datePublished": "2021-12-29T17:02:42.726Z", "dateReserved": "2021-07-12T00:00:00.000Z", "dateUpdated": "2024-09-16T20:07:01.981Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "eServices / eNvoice", "vendor": "ForeScout", "versions": [{"status": "affected", "version": "SecureConnector 11.0.4.1024"}]}], "source": "cna@cyber.gov.il"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:forescout:secureconnector:11.0.4.1024:*:*:*:*:*:*:*", "matchCriteriaId": "AB029BA1-F7DC-42E3-8E5D-6263D8F4E1D3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ForeScout - SecureConnector Local Service DoS - A low privilaged user which doesn't have permissions to shutdown the secure connector service writes a large amount of characters in the installationPath. This will cause the buffer to overflow and override the stack cookie causing the service to crash."}, {"lang": "es", "value": "ForeScout - SecureConnector Local Service DoS - Un usuario poco privilegiado que no tiene permisos para cerrar el servicio del conector seguro escribe una gran cantidad de caracteres en installationPath. Esto causar\u00e1 el desbordamiento del b\u00fafer y se anule la cookie de la pila causando que el servicio se bloquee"}], "id": "CVE-2021-36724", "lastModified": "2026-06-17T03:59:04.743", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 4.2, "source": "cna@cyber.gov.il", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-12-29T18:15:07.437", "references": [{"source": "cna@cyber.gov.il", "tags": ["Third Party Advisory"], "url": "https://www.gov.il/en/departments/faq/cve_advisories"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.gov.il/en/departments/faq/cve_advisories"}], "sourceIdentifier": "cna@cyber.gov.il", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}