CVE-2021-33603

A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the AVPACK module component used in certain F-Secure products can crash while scanning a 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 5.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.1 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

V2 Legend

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/programs/vulnerability-reward-program/hall-of-fame	Vendor Advisory
https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33603	Vendor Advisory
https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame	Vendor Advisory
https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33603	Vendor Advisory

Configurations

Configuration 1 (hide)

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

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, 06:09

Type	Values Removed	Values Added
CVSS	v2 : ~~4.3~~ v3 : ~~6.5~~	v2 : 4.3 v3 : 5.5
References	~~() https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame - Vendor Advisory~~	() https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame - Vendor Advisory
References	~~() https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33603 - Vendor Advisory~~	() https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33603 - Vendor Advisory

15 Oct 2021, 18:50

Type	Values Removed	Values Added
CWE		NVD-CWE-noinfo
CPE		cpe:2.3:a:f-secure:elements_endpoint_protection:-:::::::* cpe:2.3:o:apple:macos:-:::::::* cpe:2.3:a:f-secure:internet_gatekeeper:-:::::-:: cpe:2.3:a:f-secure:elements_endpoint_detection_and_response:-:::::::* cpe:2.3:a:f-secure:elements_for_microsoft_365:-:::::::* cpe:2.3:a:f-secure:atlant:-:::::::* cpe:2.3:a:f-secure:linux_security:-:::::::* cpe:2.3:a:f-secure:cloud_protection_for_salesforce:-:::::::* cpe:2.3:o:microsoft:windows:-:::::::*
References	~~(MISC) https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame -~~	(MISC) https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame - Vendor Advisory
References	~~(MISC) https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33603 -~~	(MISC) https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33603 - Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 4.3 v3 : 6.5

08 Oct 2021, 10:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-10-08 10:15

Updated : 2024-11-21 06:09

NVD link : CVE-2021-33603

Mitre link : CVE-2021-33603

CVE.ORG link : CVE-2021-33603

JSON object : View

Products Affected

f-secure

cloud_protection_for_salesforce
internet_gatekeeper
elements_for_microsoft_365
linux_security
atlant
elements_endpoint_protection
elements_endpoint_detection_and_response

microsoft

windows

apple

macos

CWE

NVD-CWE-noinfo

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5.5 /10