What is CVE-2023-28182?

CVE-2023-28182 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Improper Authentication. CVSS score: 6.5/10. Published 2023-05-08.

How severe is CVE-2023-28182?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Apple iOS And Ipados

CVE-2023-28182

The issue was addressed with improved authentication. This issue is fixed in macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4, iOS 15.7.4 and iPadOS 15.7.4, macOS Monterey 12.6.4, macOS Big Sur 11.7.5. A user in a privileged network position may be able to spoof a VPN server that is configured with EAP-only authentication on a device.

Vulnerability class: Broken Authentication

Published 2023-05-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.9th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Apple iOS And Ipados — versions unspecified
Apple Ipados
Apple Iphone OS
Apple macOS — versions unspecified

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

support.apple.com/en-us/HT213670 (Vendor Advisory)
support.apple.com/en-us/HT213676 (Vendor Advisory)
support.apple.com/en-us/HT213677 (Vendor Advisory)
support.apple.com/en-us/HT213675 (Vendor Advisory)
support.apple.com/en-us/HT213673 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-28182?: CVE-2023-28182 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Improper Authentication. CVSS score: 6.5/10. Published 2023-05-08.
How severe is CVE-2023-28182?: Medium severity. CVSS v3 base score is 6.5 out of 10.