Security services, software licences and managed support from one accountable partner.

← All vulnerabilities

Not yet scored Actively exploited

CVE-2023-41991

Apple Multiple Products Improper Certificate Validation Vulnerability

Description

Apple iOS, iPadOS, macOS, and watchOS contain an improper certificate validation vulnerability that can allow a malicious app to bypass signature validation.

Recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA remediation due date for U.S. federal agencies: 16 Oct 2023.

Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.