CVE-2021-42809 (GCVE-0-2021-42809)
Vulnerability from cvelistv5 – Published: 2021-12-20 20:19 – Updated: 2024-08-04 03:38
VLAI
EPSS
VEX
Title
The Sentinel Protection Installer 7.7.0 does not properly restrict loading Dynamic Link Library
Summary
Improper Access Control of Dynamically-Managed Code Resources (DLL) in Thales Sentinel Protection Installer could allow the execution of arbitrary code.
Severity
6.5 (Medium)
CWE
- CWE-913 - Improper Control of Dynamically-Managed Code Resources
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cpl.thalesgroup.com/fr/software-monetizat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Thales | Sentinel Protection Installer |
Affected:
7.7.0 , ≤ 7.7.0
(custom)
|
guessed |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T03:38:50.212Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://cpl.thalesgroup.com/fr/software-monetization/security-updates"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"platforms": [
"Windows"
],
"product": "Sentinel Protection Installer",
"vendor": "Thales",
"versions": [
{
"lessThanOrEqual": "7.7.0",
"status": "affected",
"version": "7.7.0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Intel Corp"
}
],
"descriptions": [
{
"lang": "en",
"value": "Improper Access Control of Dynamically-Managed Code Resources (DLL) in Thales Sentinel Protection Installer could allow the execution of arbitrary code."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-913",
"description": "CWE-913 Improper Control of Dynamically-Managed Code Resources",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-12-20T20:19:09.000Z",
"orgId": "9d5917ae-205d-4ae5-8749-1f49479b1395",
"shortName": "THA-PSIRT"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://cpl.thalesgroup.com/fr/software-monetization/security-updates"
}
],
"solutions": [
{
"lang": "en",
"value": "Update Sentinel Protection Installer to version 7.7.1 or newer."
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "The Sentinel Protection Installer 7.7.0 does not properly restrict loading Dynamic Link Library",
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "psirt@thalesgroup.com",
"ID": "CVE-2021-42809",
"STATE": "PUBLIC",
"TITLE": "The Sentinel Protection Installer 7.7.0 does not properly restrict loading Dynamic Link Library"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Sentinel Protection Installer",
"version": {
"version_data": [
{
"platform": "Windows",
"version_affected": "\u003c=",
"version_name": "7.7.0",
"version_value": "7.7.0"
}
]
}
}
]
},
"vendor_name": "Thales"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Intel Corp"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Improper Access Control of Dynamically-Managed Code Resources (DLL) in Thales Sentinel Protection Installer could allow the execution of arbitrary code."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-913 Improper Control of Dynamically-Managed Code Resources"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://cpl.thalesgroup.com/fr/software-monetization/security-updates",
"refsource": "MISC",
"url": "https://cpl.thalesgroup.com/fr/software-monetization/security-updates"
}
]
},
"solution": [
{
"lang": "en",
"value": "Update Sentinel Protection Installer to version 7.7.1 or newer."
}
],
"source": {
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "9d5917ae-205d-4ae5-8749-1f49479b1395",
"assignerShortName": "THA-PSIRT",
"cveId": "CVE-2021-42809",
"datePublished": "2021-12-20T20:19:09.000Z",
"dateReserved": "2021-10-21T00:00:00.000Z",
"dateUpdated": "2024-08-04T03:38:50.212Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-42809",
"date": "2026-09-24",
"epss": "0.00294",
"percentile": "0.19588"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:thalesgroup:sentinel_protection_installer:*:*:*:*:*:*:*:*",
"matchCriteriaId": "0FE44193-E4D3-4204-95F6-AD9900055462",
"versionEndExcluding": "7.7.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
"matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"descriptions": [
{
"lang": "en",
"value": "Improper Access Control of Dynamically-Managed Code Resources (DLL) in Thales Sentinel Protection Installer could allow the execution of arbitrary code."
},
{
"lang": "es",
"value": "Un Control de Acceso Inapropiado de los Recursos de C\u00f3digo Administrados Din\u00e1micamente (DLL) en Thales Sentinel Protection Installer podr\u00eda permitir una ejecuci\u00f3n de c\u00f3digo arbitrario"
}
],
"id": "CVE-2021-42809",
"lastModified": "2024-11-21T06:28:11.540",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 6.9,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.4,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 0.6,
"impactScore": 5.9,
"source": "psirt@thalesgroup.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-12-20T21:15:08.917",
"references": [
{
"source": "psirt@thalesgroup.com",
"tags": [
"Not Applicable"
],
"url": "https://cpl.thalesgroup.com/fr/software-monetization/security-updates"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Not Applicable"
],
"url": "https://cpl.thalesgroup.com/fr/software-monetization/security-updates"
}
],
"sourceIdentifier": "psirt@thalesgroup.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-913"
}
],
"source": "psirt@thalesgroup.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-913"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"platforms": [
"Windows"
],
"product": "Sentinel Protection Installer",
"vendor": "Thales",
"versions": [
{
"lessThanOrEqual": "7.7.0",
"status": "affected",
"version": "7.7.0",
"versionType": "custom"
}
]
}
],
"source": "psirt@thalesgroup.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:thalesgroup:sentinel_protection_installer:*:*:*:*:*:*:*:*",
"matchCriteriaId": "0FE44193-E4D3-4204-95F6-AD9900055462",
"versionEndExcluding": "7.7.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
"matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Improper Access Control of Dynamically-Managed Code Resources (DLL) in Thales Sentinel Protection Installer could allow the execution of arbitrary code."
},
{
"lang": "es",
"value": "Un Control de Acceso Inapropiado de los Recursos de C\u00f3digo Administrados Din\u00e1micamente (DLL) en Thales Sentinel Protection Installer podr\u00eda permitir una ejecuci\u00f3n de c\u00f3digo arbitrario"
}
],
"id": "CVE-2021-42809",
"lastModified": "2026-06-17T04:10:09.770",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 6.9,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.4,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 0.6,
"impactScore": 5.9,
"source": "psirt@thalesgroup.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-12-20T21:15:08.917",
"references": [
{
"source": "psirt@thalesgroup.com",
"tags": [
"Not Applicable"
],
"url": "https://cpl.thalesgroup.com/fr/software-monetization/security-updates"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Not Applicable"
],
"url": "https://cpl.thalesgroup.com/fr/software-monetization/security-updates"
}
],
"sourceIdentifier": "psirt@thalesgroup.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-913"
}
],
"source": "psirt@thalesgroup.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-913"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T13:25:24+00:00",
"cve": "CVE-2021-42809",
"id": "CVE-2021-42809",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "The Sentinel Protection Installer 7.7.0 does not properly restrict loading Dynamic Link Library",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-42809.json",
"version": "3"
}
}
}
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…
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…