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CVE-2021-33572— Denial-of-Service (DoS) Vulnerability

Quick assessment

Affected
F-Secure F-Secure Products
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

F-secure F-Secure Anti-Virus是芬兰F-Secure（F-secure）公司的一套杀毒软件。该软件集成了多个病毒监测引擎，可对操作系统进行实时病毒扫描，并提供了强大的后台管理功能。 F-Secure antivirus 存在安全漏洞，攻击者可利用该漏洞通过F-Secure antivirus的FSAVD触发致命错误，以触发拒绝服务。

CVSS 3.5 · Low EPSS 0.68% · P49
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I. Basic Information for CVE-2021-33572

Vulnerability Information
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Vulnerability Title
Denial-of-Service (DoS) Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
F-Secure antivirus 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
F-secure F-Secure Anti-Virus是芬兰F-Secure（F-secure）公司的一套杀毒软件。该软件集成了多个病毒监测引擎，可对操作系统进行实时病毒扫描，并提供了强大的后台管理功能。 F-Secure antivirus 存在安全漏洞，攻击者可利用该漏洞通过F-Secure antivirus的FSAVD触发致命错误，以触发拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
F-Secure F-Secure Products All Version -

II. Public POCs for CVE-2021-33572

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III. Intelligence Information for CVE-2021-33572

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Other References for CVE-2021-33572 (2)

IV. Related Vulnerabilities

Same vendor: F-Secure
Same weakness: CWE-476

V. Comments for CVE-2021-33572

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