TI-2022-17864 Aliases CVE-2022-38166 GHSA-84r8-w725-7j27

In F-Secure Endpoint Protection for Windows and macOS before channel with Capricorn…

MEDIUM 40CWE-248Published 2022-11-25 · Updated 2025-04-29

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-248.

Summary

In F-Secure Endpoint Protection for Windows and macOS before channel with Capricorn database 2022-11-22_07, the aerdl.dll unpacker handler crashes. This can lead to a scanning engine crash, triggerable remotely by an attacker for denial of service.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00717 54th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:f-secure:elements_endpoint_protection:-:::::::*	not specified by NVD	Vulnerable	F-Secure
cpe:2.3:o:apple:macos:-:::::::*	not specified by NVD	Running on	Apple
cpe:2.3:o:microsoft:windows:-:::::::*	not specified by NVD	Running on	Microsoft

cpe:2.3:a:f-secure:elements_endpoint_protection:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·F-Secure
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2022-38166
2026-10-03 Alias added: GHSA-84r8-w725-7j27

References

Advisory 1

https://www.f-secure.com/en/home/support/security-advisories/cve-2022-38166

TI-2023-23465 Certain WithSecure products allow Denial of Service via the aepack archive unpack handler. CVSS 3.1HIGH 7.5
TI-2023-23463 Certain WithSecure products allow Denial of Service in the aeelf component. CVSS 3.1HIGH 7.5
TI-2023-23460 Certain WithSecure products allow Denial of Service (infinite loop). CVSS 3.1HIGH 7.5
TI-2023-23464 Certain WithSecure products allow Local privilege escalation via the lhz archive unpack… CVSS 3.1HIGH 7.8
TI-2023-26941 Certain WithSecure products allow a Denial of Service because there is an unpack handler… CVSS 3.1HIGH 7.5
TI-2023-23459 Certain WithSecure products allow Denial of Service via a fuzzed PE32 file. CVSS 3.1HIGH 7.5

See all 28 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences