What is CVE-2021-30897?

CVE-2021-30897 is a medium-severity vulnerability in Apple Ipados. CVSS score: 6.5/10. Published 2021-08-24.

How severe is CVE-2021-30897?

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

Vulnerability in Apple Ipados

CVE-2021-30897

An issue existed in the specification for the resource timing API. The specification was updated and the updated specification was implemented. This issue is fixed in macOS Monterey 12.0.1. A malicious website may exfiltrate data cross-origin.

Published 2021-08-24 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.017 (76.6th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

References

Frequently asked questions

What is CVE-2021-30897?: CVE-2021-30897 is a medium-severity vulnerability in Apple Ipados. CVSS score: 6.5/10. Published 2021-08-24.
How severe is CVE-2021-30897?: Medium severity. CVSS v3 base score is 6.5 out of 10.