CVE-2023-41991
CVSS v3
5.5
MEDIUM
EPSS Score
3.2 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
A certificate validation issue was addressed. This issue is fixed in macOS Ventura 13.6, iOS 16.7 and iPadOS 16.7. A malicious app may be able to bypass signature validation. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.
CISA Known Exploited Vulnerability
- Date Added
- 2023-09-25
- Patch Due Date
- 2023-10-16
- Ransomware Use
- Unknown
Technical details
- Published
- 2023-09-21
Frequently asked questions
What is CVE-2023-41991?
A certificate validation issue was addressed. This issue is fixed in macOS Ventura 13.6, iOS 16.7 and iPadOS 16.7. A malicious app may be able to bypass signature validation. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.
Is CVE-2023-41991 actively exploited?
Yes. CVE-2023-41991 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 2023-10-16.
What is the CVSS score for CVE-2023-41991?
CVE-2023-41991 has a CVSS v3 base score of 5.5 (MEDIUM severity).
Is CVE-2023-41991 affecting your environment?
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