CVE-2021-44750 | Arbitrary Code Execution

An arbitrary code execution vulnerability was found in the F-Secure Support Tool. A standard user can craft a special configuration file, which when run by administrator can execute any commands.

Published: 2022-03-10 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2021-44750 is rated Moderate Risk (42.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.70%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2021-44750

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.16% 0.70% +0.54%
2 2025-03-30 0.37% 0.16% -0.21%
3 2025-03-29 0.37%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2021-44750

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.4 3.1 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
0.5 5.9 [email protected]
7.3 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
1.3 5.9 [email protected]
8.5 2.0 HIGH
AV:N/AC:M/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
6.8 10.0 [email protected]

Weakness enumeration for CVE-2021-44750

Affected software / configurations for CVE-2021-44750

Vendor Product Version Raw CPE
f-secure client_security cpe:2.3:a:f-secure:client_security:-:*:*:*:*:*:*:*
f-secure countercept cpe:2.3:a:f-secure:countercept:-:*:*:*:*:*:*:*
f-secure elements cpe:2.3:a:f-secure:elements:-:*:*:*:*:*:*:*
f-secure email_and_server_security cpe:2.3:a:f-secure:email_and_server_security:-:*:*:*:*:*:*:*
f-secure server_security cpe:2.3:a:f-secure:server_security:-:*:*:*:*:*:*:*

References for CVE-2021-44750

cvelogic Threat Intelligence