5.3
MEDIUM
CVE-2021-40837
F-Secure Antivirus Engine Denial-of-Service Vulnerability
Description

A vulnerability affecting F-Secure antivirus engine before Capricorn update 2022-02-01_01 was discovered whereby decompression of ACE file causes the scanner service to stop. The vulnerability can be exploited remotely by an attacker. A successful attack will result in denial-of-service of the antivirus engine.

INFO

Published Date :

Feb. 9, 2022, 1:15 p.m.

Last Modified :

Nov. 21, 2024, 6:24 a.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2021-40837 has a 5 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-40837 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 F-secure internet_gatekeeper
2 F-secure linux_security
3 F-secure elements_endpoint_protection
4 F-secure atlant
5 F-secure elements_endpoint_detection_and_response
6 F-secure security_cloud
1 Apple macos
1 Microsoft windows
References to Advisories, Solutions, and Tools

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

its fork winafl

CMake C PLpgSQL C++ JavaScript Rich Text Format Python

Updated: 1 year, 9 months ago
1 stars 0 fork 0 watcher
Born at : Feb. 28, 2023, 9:43 a.m. This repo has been linked 165 different CVEs too.

WinAFL modified for RDP client fuzzing

CMake C PLpgSQL C++ JavaScript Rich Text Format Python

Updated: 2 months, 2 weeks ago
15 stars 6 fork 6 watcher
Born at : Dec. 18, 2022, 1:13 p.m. This repo has been linked 163 different CVEs too.

None

CMake C HTML JavaScript CSS C++ Perl PLpgSQL Rich Text Format Python

Updated: 2 years ago
1 stars 0 fork 0 watcher
Born at : Nov. 23, 2022, 10:57 p.m. This repo has been linked 165 different CVEs too.

None

CMake C PLpgSQL C++ JavaScript Rich Text Format Python

Updated: 1 year, 5 months ago
1 stars 0 fork 0 watcher
Born at : Nov. 10, 2022, 5:15 a.m. This repo has been linked 163 different CVEs too.

A fork of AFL for fuzzing Windows binaries

fuzzing security afl

CMake C PLpgSQL C++ JavaScript Python Rich Text Format

Updated: 2 weeks, 6 days ago
2361 stars 492 fork 492 watcher
Born at : July 7, 2016, 11:46 a.m. This repo has been linked 165 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-40837 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-40837 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://www.f-secure.com/en/business/support-and-downloads/security-advisories
    Added Reference https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-40837
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Feb. 11, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
    Changed Reference Type https://www.f-secure.com/en/business/support-and-downloads/security-advisories No Types Assigned https://www.f-secure.com/en/business/support-and-downloads/security-advisories Vendor Advisory
    Changed Reference Type https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-40837 No Types Assigned https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-40837 Vendor Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:f-secure:atlant:*:*:*:*:*:*:*:* versions up to (excluding) 2022-02-01_01 *cpe:2.3:a:f-secure:internet_gatekeeper:*:*:*:*:*:*:*:* versions up to (excluding) 2022-02-01_01 *cpe:2.3:a:f-secure:linux_security:*:*:*:*:*:*:*:* versions up to (excluding) 2022-02-01_01 *cpe:2.3:a:f-secure:security_cloud:*:*:*:*:*:*:*:* versions up to (excluding) 2022-02-01_01
    Added CPE Configuration AND OR *cpe:2.3:a:f-secure:elements_endpoint_detection_and_response:*:*:*:*:*:*:*:* versions up to (excluding) 2022-02-01_01 *cpe:2.3:a:f-secure:elements_endpoint_protection:*:*:*:*:*:*:*:* versions up to (excluding) 2022-02-01_01 OR cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-40837 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-40837 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.10 }} 0.01%

score

0.43313

percentile

CVSS31 - Vulnerability Scoring System
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