CVE-2021-30722

5.9 MEDIUM 2% exploit odds Fix listed

What it is

An information disclosure issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. An attacker in a privileged network position may be able to leak sensitive user information.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure.
Exploit odds: 1.6% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2021-09-08 14:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 03:50 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.6% in the next 30 days (EPSS).
Severity: 5.9 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2021-09-08 14:15 UTC
Last modified: 2026-06-17 03:50 UTC
Exploit probability: 1.6% · EPSS, next 30 days
Record status: Modified

Affected

Apple Mac Os X ≤ 10.14.5
Apple Mac Os X ≤ 10.15.6
Apple Mac Os X 10.14.6
Apple Mac Os X 10.15.7
Apple macOS < 11.4

Attack profile CVSS 3.1 · 5.9

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

Raw vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/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-2021-30722.md and follow it. Check whether this project is affected by CVE-2021-30722. 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