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Coverage › CVE-2023-41991

CVE-2023-41991 Unmapped

Apple Multiple Products Improper Certificate Validation Vulnerability

Vendor / product
Apple — Multiple Products
Description (CISA)
Apple iOS, iPadOS, macOS, and watchOS contain an improper certificate validation vulnerability that can allow a malicious app to bypass signature validation.
Added to KEV
2023-09-25
Due date
2023-10-16
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known ransomware use
Unknown
CWE
CWE-295
CISA notes
https://support.apple.com/en-us/HT213926, https://support.apple.com/en-us/HT213927, https://support.apple.com/en-us/HT213928, https://support.apple.com/en-us/HT213929, https://support.apple.com/en-us/HT213931
https://nvd.nist.gov/vuln/detail/CVE-2023-41991
Elsewhere
cve.org · NVD · CISA KEV · JSON

ATT&CK techniques

No public source states how this vulnerability is exploited in ATT&CK terms.

The only authoritative CVE → ATT&CK mapping in the open — CTID's Mappings Explorer, pinned to a KEV snapshot of 2025-07-28 and ATT&CK 16.1 — does not include CVE-2023-41991. CISA's catalogue carries no technique field. kevmap does not infer techniques from the CWE (CWE-295) — here is why — and does not guess.

This page will change state automatically if a mapping is published. What is shown above is everything CISA publishes about the entry.