CVE-2021-33572

A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Linux Security whereby the FSAVD component used in certain F-Secure products can crash while scanning larger packages/fuzzed files. The exploit can be triggered remotely by an attacker. A successful attack will result in Denial-of-Service (DoS) of the Anti-Virus engine.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.0 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame	Product
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:cloud_protection_for_salesforce:-:::::::*
	cpe:2.3:a:f-secure:elements_for_microsoft_365:-:::::::*
	cpe:2.3:a:f-secure:endpoint_protection::::::::
	cpe:2.3:a:f-secure:linux_security:-:::::::*

History

No history.

Information

Published : 2021-06-21 12:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-33572

Mitre link : CVE-2021-33572

CVE.ORG link : CVE-2021-33572

JSON object : View

Products Affected

f-secure

endpoint_protection
linux_security
elements_for_microsoft_365
cloud_protection_for_salesforce

CWE

CWE-476

NULL Pointer Dereference

{"id": "CVE-2021-33572", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "cve-notifications-us@f-secure.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.5, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.1}]}, "published": "2021-06-21T12:15:07.963", "references": [{"url": "https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame", "tags": ["Product"], "source": "cve-notifications-us@f-secure.com"}, {"url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories", "tags": ["Vendor Advisory"], "source": "cve-notifications-us@f-secure.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}, {"type": "Secondary", "source": "cve-notifications-us@f-secure.com", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Linux Security whereby the FSAVD component used in certain F-Secure products can crash while scanning larger packages/fuzzed files. The exploit can be triggered remotely by an attacker. A successful attack will result in Denial-of-Service (DoS) of the Anti-Virus engine."}, {"lang": "es", "value": "Se ha detectado una vulnerabilidad de Denegaci\u00f3n de Servicio (DoS) en F-Secure Linux Security por la que el componente FSAVD usado en determinados productos de F-Secure puede bloquearse mientras se analizan paquetes y archivos de gran tama\u00f1o. La explotaci\u00f3n puede ser desencadenada remotamente por un atacante. Un ataque con \u00e9xito resultar\u00e1 en una Denegaci\u00f3n de Servicio (DoS) del motor antivirus"}], "lastModified": "2021-06-28T20:13:48.667", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:f-secure:cloud_protection_for_salesforce:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F04F9410-836A-428B-9959-4662E79D963D"}, {"criteria": "cpe:2.3:a:f-secure:elements_for_microsoft_365:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FB5FAF08-98B4-46C1-890A-958860119ECF"}, {"criteria": "cpe:2.3:a:f-secure:endpoint_protection:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9F0E00CE-AB6D-4992-91D8-32834618F088"}, {"criteria": "cpe:2.3:a:f-secure:linux_security:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EEDCC601-0F8F-4D23-9DE1-5B4B72C689AE"}], "operator": "OR"}]}], "sourceIdentifier": "cve-notifications-us@f-secure.com"}