CVE-2022-28881 [Medium] | Denial of Service in Elements Endpoint Detecti…

A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the aerdl.dll component used in certain WithSecure products unpacker function crashes which leads to scanning engine crash. The exploit can be triggered remotely by an attacker.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2025-11-21	0.34%	0.46%	+0.12%
2	2025-11-18	0.46%	0.34%	-0.12%
3	2025-08-11	—	0.46%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2025-11-21

0.34%

0.46%

+0.12%

2025-11-18

0.46%

0.34%

-0.12%

2025-08-11

—

0.46%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
4.3	3.1	MEDIUM	`CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L` 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:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. 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:L) Some sensitive info could get out, but not a total data dump. Integrity (I:L) Attackers could change some data, but it’s limited—not everything goes. Availability (A:L) Might cause slowdowns, glitches, or partial disruption—not a full brick.	0.9	3.4	[email protected]
7.5	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:N) Doesn’t really leak secrets in a meaningful way. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	3.9	3.6	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

4.3

3.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L 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:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
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:L): Some sensitive info could get out, but not a total data dump.
Integrity (I:L): Attackers could change some data, but it’s limited—not everything goes.
Availability (A:L): Might cause slowdowns, glitches, or partial disruption—not a full brick.

0.9

3.4

[email protected]

7.5

3.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N): Doesn’t really leak secrets in a meaningful way.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

3.9

3.6

[email protected]

Affected software / configurations for CVE-2022-28881

Vendor	Product	Version	Raw CPE
f-secure	elements_endpoint_detection_and_response	—	cpe:2.3:a:f-secure:elements_endpoint_detection_and_response::::::::
f-secure	elements_endpoint_protection	—	cpe:2.3:a:f-secure:elements_endpoint_protection::::::::
f-secure	atlant	—	cpe:2.3:a:f-secure:atlant::::::::
f-secure	cloud_protection_for_salesforce	—	cpe:2.3:a:f-secure:cloud_protection_for_salesforce::::::::
f-secure	elements_collaboration_protection	—	cpe:2.3:a:f-secure:elements_collaboration_protection::::::::
f-secure	internet_gatekeeper	—	cpe:2.3:a:f-secure:internet_gatekeeper::::::::
f-secure	linux_security	—	cpe:2.3:a:f-secure:linux_security:::::::x86:*
f-secure	linux_security_64	—	cpe:2.3:a:f-secure:linux_security_64::::::::

References for CVE-2022-28881

URL	Tags
https://www.f-secure.com/en/business/support-and-downloads/security-advisories	Vendor Advisory
https://www.withsecure.com/en/support/security-advisories	Vendor Advisory

URL

CVE-2022-28881 | Denial-of-Service (DoS) Vulnerability

Exploit prediction scoring system (EPSS) score for CVE-2022-28881

Common vulnerability scoring system (CVSS) metrics for CVE-2022-28881

Weakness enumeration for CVE-2022-28881

Affected software / configurations for CVE-2022-28881

References for CVE-2022-28881