CVE-2020-9781

Name: CVE-2020-9781
Creator: NVD / NIST
Published: 2020-04-01T18:15:18.02+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.76%

Last modified Jun 17, 2026

CVE-2020-9781 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. The issue was addressed by clearing website permission prompts after navigation. This issue is fixed in iOS 13.4 and iPadOS 13.4. EPSS estimates a 0.76% chance of exploitation in the next 30 days.

Description

The issue was addressed by clearing website permission prompts after navigation. This issue is fixed in iOS 13.4 and iPadOS 13.4. A user may grant website permissions to a site they didn't intend to.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.76%

50.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-281

Affected Software

Vendor	Product	Versions
Apple	Ipados	< 13.4
Apple	Iphone Os	< 13.4

References

https://support.apple.com/HT211102Vendor Advisory
https://support.apple.com/HT211102Vendor Advisory

Timeline

Published: Apr 1, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-9781?

The issue was addressed by clearing website permission prompts after navigation. This issue is fixed in iOS 13.4 and iPadOS 13.4. A user may grant website permissions to a site they didn't intend to.

How severe is CVE-2020-9781?

CVE-2020-9781 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.

How do I fix CVE-2020-9781?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-9781?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST