Apple Multiple Products Improper Certificate Validation Vulnerability (CVE-2023-41991)
Severity: medium · Patch status: unknown · Since 2023-09-25 · CVE-2023-41991
Apple iOS, iPadOS, macOS, and watchOS contain an improper certificate validation vulnerability that can allow a malicious app to bypass signature validation. CISA added CVE-2023-41991 to its Known Exploited Vulnerabilities catalog on Sep 25, 2023, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Oct 16, 2023 (BOD 22-01); treat that as the outer limit.
Sources
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