What is CVE-2023-39107?

CVE-2023-39107 is a critical-severity vulnerability in Apple Macos, classified under Improper Link Resolution Before File Access. CVSS score: 9.1/10. Published 2023-08-04.

How severe is CVE-2023-39107?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2023-39107 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Apple Macos

CVE-2023-39107

An arbitrary file overwrite vulnerability in NoMachine Free Edition and Enterprise Client for macOS before v8.8.1 allows attackers to overwrite root-owned files by using hardlinks.

EPSS: 0.010 (58.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Apple Macos
Nomachine
N/a — versions n/a

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

Public proof-of-concept exploits

NSEcho/vos

References

cve@mitre.org (Vendor Advisory)
cve@mitre.org (Release Notes)
cve@mitre.org (Exploit)

Frequently asked questions

What is CVE-2023-39107?: CVE-2023-39107 is a critical-severity vulnerability in Apple Macos, classified under Improper Link Resolution Before File Access. CVSS score: 9.1/10. Published 2023-08-04.
How severe is CVE-2023-39107?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2023-39107 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.