Vulnerability in Apple iOS And Ipados

CVE-2021-1833

This issue was addressed with improved checks. This issue is fixed in iOS 14.5 and iPadOS 14.5. An application may be able to gain elevated privileges.

Published · last modified .

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.009 (57.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.9% 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-2021-1833: held from 0.009 to 0.009.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-1833?
CVE-2021-1833 is a high-severity vulnerability in Apple iOS And Ipados. CVSS score: 7.8/10. Published 2021-09-08.
How severe is CVE-2021-1833?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-1833 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.