MEDIUM CISA KEV

CVE-2021-30657

CVSS v3

5.5

MEDIUM

EPSS Score

76.3%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. A malicious application may bypass Gatekeeper checks. Apple is aware of a report that this issue may have been actively exploited..

CISA Known Exploited Vulnerability

Date Added
11/3/2021
Patch Due Date
11/17/2021
Ransomware Use
Unknown

Technical details

Published
9/8/2021

Frequently asked questions

What is CVE-2021-30657?

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. A malicious application may bypass Gatekeeper checks. Apple is aware of a report that this issue may have been actively exploited..

Is CVE-2021-30657 actively exploited?

Yes. CVE-2021-30657 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 11/17/2021.

What is the CVSS score for CVE-2021-30657?

CVE-2021-30657 has a CVSS v3 base score of 5.5 (MEDIUM severity).

Is CVE-2021-30657 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.