Auth bypass in Apple Mac OS X

CVE-2023-20871

VMware Fusion contains a local privilege escalation vulnerability. A malicious actor with read/write access to the host operating system can elevate privileges to gain root access to the host operating system.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (30.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-20871: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-20871?
CVE-2023-20871 is a high-severity vulnerability in Apple Mac OS X, classified under Incorrect Authorization. CVSS score: 7.8/10. Published 2023-04-25.
How severe is CVE-2023-20871?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-20871 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.