CVE-2020-9941

7.5 HIGH 3% exploit odds Fix listed

What it is

This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave. A remote attacker may be able to unexpectedly alter application state.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data tampering.
Exploit odds: 2.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2020-10-27 21:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 03:28 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 2.6% in the next 30 days (EPSS).
Severity: 7.5 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2020-10-27 21:15 UTC
Last modified: 2026-06-17 03:28 UTC
Exploit probability: 2.6% · EPSS, next 30 days
Record status: Modified

Affected

Apple Ipados < 14.0
Apple Iphone Os < 14.0
Apple Mac Os X < 10.13.6
Apple Mac Os X < 10.14.6
Apple Mac Os X < 10.15.7
Apple Mac Os X 10.13.6
Apple Mac Os X 10.14.6
Apple macOS 11.0

Attack profile CVSS 3.1 · 7.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: High
Availability: None

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2020-9941.md and follow it. Check whether this project is affected by CVE-2020-9941. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record