CVE-2021-40836

A vulnerability affecting F-Secure antivirus engine was discovered whereby scanning MS outlook .pst files can lead to denial-of-service. The vulnerability can be exploited remotely by an attacker. A successful attack will result in denial-of-service of the antivirus engine.

CVSS v3 4.6 MEDIUM
CVSS v2.0 4.3 MEDIUM

4.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.1 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.f-secure.com/en/business/support-and-downloads/security-advisories	Vendor Advisory
https://www.f-secure.com/en/business/support-and-downloads/security-advisories	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:f-secure:atlant::::::::
	cpe:2.3:a:f-secure:internet_gatekeeper::::::::
	cpe:2.3:a:f-secure:linux_security:::::::x86:*
	cpe:2.3:a:f-secure:linux_security_64::::::::

Configuration 2 (hide)

AND

OR	cpe:2.3:a:f-secure:elements_endpoint_detection_and_response::::::::
	cpe:2.3:a:f-secure:elements_endpoint_protection::::::::

OR	cpe:2.3:o:apple:macos:-:::::::*
	cpe:2.3:o:microsoft:windows:-:::::::*

History

21 Nov 2024, 06:24

Type	Values Removed	Values Added
References	~~() https://www.f-secure.com/en/business/support-and-downloads/security-advisories - Vendor Advisory~~	() https://www.f-secure.com/en/business/support-and-downloads/security-advisories - Vendor Advisory
CVSS	v2 : ~~4.3~~ v3 : ~~5.5~~	v2 : 4.3 v3 : 4.6

Information

Published : 2021-12-22 12:15

Updated : 2024-11-21 06:24

NVD link : CVE-2021-40836

Mitre link : CVE-2021-40836

CVE.ORG link : CVE-2021-40836

JSON object : View

Products Affected

f-secure

atlant
internet_gatekeeper
elements_endpoint_detection_and_response
linux_security
linux_security_64
elements_endpoint_protection

apple

macos

microsoft

windows

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-40836", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Secondary", "source": "cve-notifications-us@f-secure.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.6, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.1}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2021-12-22T12:15:07.827", "references": [{"url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories", "tags": ["Vendor Advisory"], "source": "cve-notifications-us@f-secure.com"}, {"url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability affecting F-Secure antivirus engine was discovered whereby scanning MS outlook .pst files can lead to denial-of-service. The vulnerability can be exploited remotely by an attacker. A successful attack will result in denial-of-service of the antivirus engine."}, {"lang": "es", "value": "Se ha detectado una vulnerabilidad que afecta al motor antivirus de F-Secure por la que el an\u00e1lisis de archivos .pst de MS outlook puede conllevar a una denegaci\u00f3n de servicio. La vulnerabilidad puede ser explotada remotamente por un atacante. Un ataque con \u00e9xito resultar\u00e1 en una denegaci\u00f3n de servicio del motor antivirus. Corregido en la actualizaci\u00f3n Capricorn 13-12-2021_07"}], "lastModified": "2024-11-21T06:24:53.407", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:f-secure:atlant:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0C97DC3C-1B63-4B57-8C62-ACD77D0A3E71"}, {"criteria": "cpe:2.3:a:f-secure:internet_gatekeeper:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "88F6E1F2-02DA-48EE-B127-4933CCC80C5C"}, {"criteria": "cpe:2.3:a:f-secure:linux_security:*:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "F0152E70-F7A9-4785-8A43-78472F9A2C13"}, {"criteria": "cpe:2.3:a:f-secure:linux_security_64:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "360DBC2B-2B93-461E-90C6-60C55FBD87B8"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:f-secure:elements_endpoint_detection_and_response:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F97045C-E576-49D3-9630-072E26F7D64F"}, {"criteria": "cpe:2.3:a:f-secure:elements_endpoint_protection:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6DFC1F94-8A8B-42E2-887B-EE8FB3C9130D"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}, {"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve-notifications-us@f-secure.com"}