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Vulnerabilities

Security fix · CVE-2020-3838

The issue was addressed with improved permissions logic.

Published Feb 27, 2020 · catalog updated Jun 17, 2026 · Apple

Check if you run it

No confirmed exploitation is on record for CVE-2020-3838. EPSS is 1.53%. Act only if a listed version of Apple is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.53%
Remediation
Version ranges on file
Affected products
cpe apple/ipados · cpe apple/iphone os · cpe apple/mac os x

The issue was addressed with improved permissions logic. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. An application may be able to execute arbitrary code with system privileges.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apple/ipados< 13.3.1
  • cpe apple/iphone os< 13.3.1
  • cpe apple/mac os x10.14.6
  • cpe apple/mac os x< 10.14.6
  • cpe apple/mac os x< 10.15.3

How to fix CVE-2020-3838

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2020-3838. EPSS is 1.53%. Act only if a listed version of Apple is installed.

Which versions are affected?

Compare what you have installed with apple/iphone os < 13.3.1; apple/mac os x 10.14.6; apple/mac os x < 10.14.6; apple/mac os x < 10.15.3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-276: Incorrect Default Permissions. EPSS 1.53%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 27, 2020 · Apple Security Releases

    Detected

    The issue was addressed with improved permissions logic. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. An application may be able to execute arbitrary code with system privileges.

Sources

  • Apple Security ReleasesVendor advisoryCVE-2020-3838

    The issue was addressed with improved permissions logic. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. An application may be able to execute arbitrary code with system privileges.

    nvd.nist.gov
  • CVE.orgVulnerability recordCVE-2020-3838

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-3838

    30-day exploitation probability 1.53%

    first.org

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.