What is CVE-2021-1852?

CVE-2021-1852 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2021-09-08.

How severe is CVE-2021-1852?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Out-of-bounds Read in Apple iOS And Ipados

CVE-2021-1852

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5. A local user may be able to read kernel memory.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (19.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Apple Ios And Ipados — versions unspecified
Apple Ipados
Apple Iphone_os

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

product-security@apple.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-1852?: CVE-2021-1852 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2021-09-08.
How severe is CVE-2021-1852?: Medium severity. CVSS v3 base score is 5.5 out of 10.