7.8

CVE-2018-10403: f-secure xfence Improper Certificate Validation

CVSS: 7.8v3.0HighModified
Published 13-06-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-10403 is a high (CVSS 7.8) Improper Certificate Validation vulnerability in f-secure xfence. EPSS estimates a 0.84% chance of exploitation in the next 30 days, higher than 57% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.0 (NVD)
EPSS score
0.84%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 13-06-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in F-Secure XFENCE and Little Flocker. A maliciously crafted Universal/fat binary can evade third-party code signing checks. By not completing full inspection of the Universal/fat binary, the user of the third-party tool will believe that the code is signed by Apple, but the malicious unsigned code will execute.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.84%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

0.00 pp

From 0.84% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.84%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (okta.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

F-secure1 product

1 vendor · 1 product

References

1 links