What is CVE-2020-9912?

CVE-2020-9912 is a low-severity vulnerability in Apple Safari. CVSS score: 3.3/10. Published 2020-10-16.

How severe is CVE-2020-9912?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in Apple Safari

CVE-2020-9912

A logic issue was addressed with improved restrictions. This issue is fixed in Safari 13.1.2. A malicious attacker may be able to change the origin of a frame for a download in Safari Reader mode.

Published 2020-10-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (18.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Apple Safari — versions unspecified

References

support.apple.com/HT211292 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2020-9912?: CVE-2020-9912 is a low-severity vulnerability in Apple Safari. CVSS score: 3.3/10. Published 2020-10-16.
How severe is CVE-2020-9912?: Low severity. CVSS v3 base score is 3.3 out of 10.