CVE-2022-45871: f-secure atlant Improper Input Validation
CVSS: 7.5v3.1HighModified
Published 13-12-2022Last modified 22-04-2025
Vulnerability summary
CVE-2022-45871 is a high (CVSS 7.5) Improper Input Validation vulnerability in f-secure atlant. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 34% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.41%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 13-12-2022PublishedVulnerability first disclosed.
- 22-04-2025Last modifiedVulnerability information updated.
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 metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSources2 sources · 4.3–7.5
- CVE.orgCNA4.3MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:LDiffers
EPSS trend
Probability
0.41%
Chance of exploitation in the next 30 days
Percentile
34%
Versus all other CVEs
30-day change
+0.03 pp
From 0.39% on 19-09-2026
19-09-202619-10-2026
EPSS score0.41%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
F-secure1 product
- atlantna
1 vendor · 1 product
References
1 links- www.withsecure.com/en/support/security-advisoriesThird Party Advisory