CriticalCVECISA — Known Exploited Vulnerabilities· 25 Sept 2023

CVE-2023-41991 — Apple Multiple Products Improper Certificate Validation Vulnerability

Severity: Critical · Kind: Vulnerability

Plain-English summary on the way

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From the source

Apple Multiple Products. Apple iOS, iPadOS, macOS, and watchOS contain an improper certificate validation vulnerability that can allow a malicious app to bypass signature validation. Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Vulnerability facts

CVE: CVE-2023-41991
On CISA KEV since: 2023-09-25
Ransomware use: Unknown

Read the original advisory →← All threat intel

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Plain-English summaries are AI-generated and reviewed for tone, not technical accuracy. For incident response, always rely on the original source linked above.