Risk Letters

Exploited vulnerability

CVE-2023-41991

TLP:CLEAR

Apple Multiple Products Improper Certificate Validation Vulnerability

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

Facts

  • Vendor: Apple
  • Product: Multiple Products
  • CVSS: 5.5
  • EPSS (probability of exploitation within 30 days): 13.4 %
  • On CISA's Known Exploited Vulnerabilities list since: 25 September 2023
  • First known exploitation: 25 September 2023
  • CISA's deadline for US federal agencies: 16 October 2023
  • Weakness: CWE-295
  • First seen by Risk Letters: 25 September 2023

Members see which Nordic sectors the flaw hits, and what to do about it.

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD