7.8

CVE-2023-43766: f-secure atlant Improper Privilege Management

CVSS: 7.8v3.1HighModified
Published 22-09-2023Last modified 25-09-2024

Vulnerability summary

CVE-2023-43766 is a high (CVSS 7.8) Improper Privilege Management vulnerability in f-secure atlant. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.8% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.16%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-09-2023
    PublishedVulnerability first disclosed.
  2. 25-09-2024
    Last modifiedVulnerability information updated.

Description

Certain WithSecure products allow Local privilege escalation via the lhz archive unpack handler. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, WithSecure Elements Endpoint Protection 17 and later, WithSecure Client Security for Mac 15, WithSecure Elements Endpoint Protection for Mac 17 and later, Linux Security 64 12.0 , Linux Protection 12.0, and WithSecure Atlant (formerly F-Secure Atlant) 1.0.35-1.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

+0.01 pp

From 0.15% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

F-secure7 products

1 vendor · 7 products

References

2 links