← Vulnerability feed

Vulnerability record · CVE-2022-45871 · published 13 December 2022

CVE-2022-45871: F-secure atlant improper input validation vulnerability

F Secure · Atlant

A Denial-of-Service (DoS) vulnerability was discovered in the fsicapd component used in WithSecure products whereby the service may crash while parsing ICAP request. The exploit can be triggered remotely by an attacker.

7.5 CVSS 3.1 High EPSS 0.40% · top 68.7% CWE-20 · Improper input validation
7.5CVSS 3.1 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A Denial-of-Service (DoS) vulnerability was discovered in the fsicapd component used in WithSecure products whereby the service may crash while parsing ICAP request. The exploit can be triggered remotely by an attacker.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.withsecure.com/en/support/security-advisories Third Party Advisory
https://www.withsecure.com/en/support/security-advisories Third Party Advisory

Track CVE-2022-45871 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2023-43766F-secure linux protection improper privilege management vulnerabilityCertain WithSecure products allow Local privilege escalation via the lhz archive unpack handler. This affects WithSecure Client Security 15, WithSecu…EPSS 0.16%7.5CVE-2023-49322F-secure linux protection vulnerabilityCertain WithSecure products allow a Denial of Service because there is an unpack handler crash that can lead to a scanning engine crash. This affects…EPSS 0.70%7.5CVE-2023-43760F-secure client security vulnerabilityCertain WithSecure products allow Denial of Service via a fuzzed PE32 file. This affects WithSecure Client Security 15, WithSecure Server Security 15…EPSS 0.64%7.5CVE-2023-43761F-secure linux protection vulnerabilityCertain WithSecure products allow Denial of Service (infinite loop). This affects WithSecure Client Security 15, WithSecure Server Security 15, WithS…EPSS 0.64%7.5CVE-2023-43765F-secure linux protection vulnerabilityCertain WithSecure products allow Denial of Service in the aeelf component. This affects WithSecure Client Security 15, WithSecure Server Security 15…EPSS 0.64%7.5CVE-2023-43767F-secure linux protection uncontrolled resource consumption vulnerabilityCertain WithSecure products allow Denial of Service via the aepack archive unpack handler. This affects WithSecure Client Security 15, WithSecure Ser…EPSS 0.64%7.5CVE-2022-28887F-secure elements endpoint detection and response improper resource shutdown vulnerabilityMultiple Denial-of-Service (DoS) vulnerability was discovered in F-Secure & WithSecure products whereby the aerdl.dll unpacker handler function crash…EPSS 0.40%7.5CVE-2022-28885F-secure atlant vulnerabilityA Denial-of-Service (DoS) vulnerability was discovered in the fsicapd component used in WithSecure products whereby the service may crash while parsi…EPSS 0.47%

Source: NIST National Vulnerability Database (record CVE-2022-45871), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.