CVE-2023-41991
Vulnerability from cvelistv5
Published
2023-09-21 18:23
Modified
2024-08-02 19:16
Severity ?
Summary
A certificate validation issue was addressed. This issue is fixed in macOS Ventura 13.6, iOS 16.7 and iPadOS 16.7. A malicious app may be able to bypass signature validation. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.
References
product-security@apple.comhttps://support.apple.com/en-us/HT213927Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT213931Release Notes, Vendor Advisory
Impacted products
AppleiOS and iPadOS
ApplemacOS
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 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.

Used in ransomware: Unknown

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

Show details on NVD website

To clipboard 

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            "url": "https://support.apple.com/en-us/HT213931"
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        "title": "CVE Program Container"
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    ],
    "cna": {
      "affected": [
        {
          "product": "iOS and iPadOS",
          "vendor": "Apple",
          "versions": [
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        }
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      "problemTypes": [
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          "descriptions": [
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      "providerMetadata": {
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        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
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    "datePublished": "2023-09-21T18:23:48.974Z",
    "dateReserved": "2023-09-06T17:40:06.142Z",
    "dateUpdated": "2024-08-02T19:16:49.649Z",
    "state": "PUBLISHED"
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      "dueDate": "2023-10-16",
      "knownRansomwareCampaignUse": "Unknown",
      "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",
      "product": "Multiple Products",
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      "shortDescription": "Apple iOS, iPadOS, macOS, and watchOS contain an improper certificate validation vulnerability that can allow a malicious app to bypass signature validation.",
      "vendorProject": "Apple",
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    },
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  }
}


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