CVE-2021-1837

5.3 mediumEPSS 0.5%

Medium (5.3) in apple. EPSS 0.5% chance of exploitation in the next 30 days.

A certificate validation issue was addressed. This issue is fixed in iOS 14.5 and iPadOS 14.5. An attacker in a privileged network position may be able to alter network traffic.

Severity

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
CWE: CWE-295
Published: 2021-09-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:ipados
apple:iphone_os

References

https://support.apple.com/en-us/HT212317
https://support.apple.com/en-us/HT212317

Check your stack JSON