CVE-2023-41991

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2023-41991

Confirmed

Yes

2023-09-25 00:00 UTC

Timestamps

2023-09-25

2023-09-25

Scope

KEV entry: Apple Multiple Products Improper Certificate Validation Vulnerability | Affected: Apple / Multiple Products | Description: 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. | Due date: 2023-10-16 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): 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

References
  • {'id': 'CVE-2023-41991', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-41991'}

a783545e-dcb5-4a07-8f61-3d1603939e20

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 12:26 UTC

2026-02-06 07:17 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-295"
  ],
  "date_added": "2023-09-25",
  "due_date": "2023-10-16",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Multiple Products",
  "vendorProject": "Apple",
  "vulnerabilityName": "Apple Multiple Products Improper Certificate Validation Vulnerability"
}
 -
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