CVE-2021-3641 - OpenCVE

Improper Link Resolution Before File Access ('Link Following') vulnerability in the EPAG component of Bitdefender Endpoint Security Tools for Windows allows a local attacker to cause a denial of service. This issue affects: Bitdefender GravityZone version 7.1.2.33 and prior versions.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact Partial

AV:L/AC:L/Au:N/C:N/I:P/A:P

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Bitdefender	Gravityzone
Microsoft	Windows

Configuration 1 [-]

AND

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

cpe:2.3:a:bitdefender:gravityzone:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://www.bitdefender.com/support/security-advisories/improper-link-resolution-before-file-access-in-bitdefender-gravityzone-va-9921
https://www.zerodayinitiative.com/advisories/ZDI-22-143/

History

No history.

MITRE

Status: PUBLISHED

Assigner: Bitdefender

Published: 2021-11-09T14:10:14.024869Z

Updated: 2024-09-17T02:47:52.551Z

Reserved: 2021-07-12T00:00:00

Link: CVE-2021-3641

Vulnrichment

No data.

NVD

Status : Analyzed

Published: 2021-11-09T14:15:11.643

Modified: 2022-02-09T20:49:11.633

Link: CVE-2021-3641

Redhat

No data.

{"containers": {"cna": {"affected": [{"product": "GravityZone", "vendor": "Bitdefender", "versions": [{"lessThanOrEqual": "7.1.2.33", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "@Kharosx0 working with Trend Micro Zero Day Initiative"}], "datePublic": "2021-10-30T00:00:00", "descriptions": [{"lang": "en", "value": "Improper Link Resolution Before File Access ('Link Following') vulnerability in the EPAG component of Bitdefender Endpoint Security Tools for Windows allows a local attacker to cause a denial of service. This issue affects: Bitdefender GravityZone version 7.1.2.33 and prior versions."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-59", "description": "CWE-59 Improper Link Resolution Before File Access ('Link Following')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-01-27T09:06:10", "orgId": "b3d5ebe7-963e-41fb-98e1-2edaeabb8f82", "shortName": "Bitdefender"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.bitdefender.com/support/security-advisories/improper-link-resolution-before-file-access-in-bitdefender-gravityzone-va-9921"}, {"tags": ["x_refsource_MISC"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-143/"}], "solutions": [{"lang": "en", "value": "An automatic update to a newer version of Bitdefender Endpoint Security Tools for Windows fixes the issue"}], "source": {"defect": ["VA-9921"], "discovery": "EXTERNAL"}, "title": "Improper Link Resolution Before File Access in Bitdefender GravityZone (VA-9921)", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve-requests@bitdefender.com", "DATE_PUBLIC": "2021-10-30T09:00:00.000Z", "ID": "CVE-2021-3641", "STATE": "PUBLIC", "TITLE": "Improper Link Resolution Before File Access in Bitdefender GravityZone (VA-9921)"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "GravityZone", "version": {"version_data": [{"version_affected": "<=", "version_value": "7.1.2.33"}]}}]}, "vendor_name": "Bitdefender"}]}}, "credit": [{"lang": "eng", "value": "@Kharosx0 working with Trend Micro Zero Day Initiative"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Improper Link Resolution Before File Access ('Link Following') vulnerability in the EPAG component of Bitdefender Endpoint Security Tools for Windows allows a local attacker to cause a denial of service. This issue affects: Bitdefender GravityZone version 7.1.2.33 and prior versions."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-59 Improper Link Resolution Before File Access ('Link Following')"}]}]}, "references": {"reference_data": [{"name": "https://www.bitdefender.com/support/security-advisories/improper-link-resolution-before-file-access-in-bitdefender-gravityzone-va-9921", "refsource": "MISC", "url": "https://www.bitdefender.com/support/security-advisories/improper-link-resolution-before-file-access-in-bitdefender-gravityzone-va-9921"}, {"name": "https://www.zerodayinitiative.com/advisories/ZDI-22-143/", "refsource": "MISC", "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-143/"}]}, "solution": [{"lang": "en", "value": "An automatic update to a newer version of Bitdefender Endpoint Security Tools for Windows fixes the issue"}], "source": {"defect": ["VA-9921"], "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:01:08.306Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.bitdefender.com/support/security-advisories/improper-link-resolution-before-file-access-in-bitdefender-gravityzone-va-9921"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-143/"}]}]}, "cveMetadata": {"assignerOrgId": "b3d5ebe7-963e-41fb-98e1-2edaeabb8f82", "assignerShortName": "Bitdefender", "cveId": "CVE-2021-3641", "datePublished": "2021-11-09T14:10:14.024869Z", "dateReserved": "2021-07-12T00:00:00", "dateUpdated": "2024-09-17T02:47:52.551Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:a:bitdefender:gravityzone:*:*:*:*:*:*:*:*", "matchCriteriaId": "E1A60DED-B755-426C-8B0C-B8E24E4D2509", "versionEndIncluding": "7.1.2.33", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Link Resolution Before File Access ('Link Following') vulnerability in the EPAG component of Bitdefender Endpoint Security Tools for Windows allows a local attacker to cause a denial of service. This issue affects: Bitdefender GravityZone version 7.1.2.33 and prior versions."}, {"lang": "es", "value": "Una vulnerabilidad de Resoluci\u00f3n de Enlaces Inapropiada versiones anteriores al Acceso a Archivos (\"Link Following\") en el componente EPAG de Bitdefender Endpoint Security Tools for Windows permite a un atacante local causar una denegaci\u00f3n de servicio. Este problema afecta a: Bitdefender GravityZone versi\u00f3n 7.1.2.33 y versiones anteriores"}], "id": "CVE-2021-3641", "lastModified": "2022-02-09T20:49:11.633", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 3.6, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 4.2, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 4.2, "source": "cve-requests@bitdefender.com", "type": "Secondary"}]}, "published": "2021-11-09T14:15:11.643", "references": [{"source": "cve-requests@bitdefender.com", "tags": ["Broken Link", "Vendor Advisory"], "url": "https://www.bitdefender.com/support/security-advisories/improper-link-resolution-before-file-access-in-bitdefender-gravityzone-va-9921"}, {"source": "cve-requests@bitdefender.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-143/"}], "sourceIdentifier": "cve-requests@bitdefender.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-59"}], "source": "cve-requests@bitdefender.com", "type": "Secondary"}]}