HIGH CISA KEV

CVE-2021-30860

CVSS v3

7.8

HIGH

EPSS Score

72.9%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

An integer overflow was addressed with improved input validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. Processing a maliciously crafted PDF may lead to arbitrary code execution. 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
8/24/2021

Frequently asked questions

What is CVE-2021-30860?

An integer overflow was addressed with improved input validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. Processing a maliciously crafted PDF may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Is CVE-2021-30860 actively exploited?

Yes. CVE-2021-30860 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-2021-30860?

CVE-2021-30860 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2021-30860 affecting your environment?

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