CVE-2020-9934 (GCVE-0-2020-9934)

Vulnerability from cvelistv5 – Published: 2020-10-16 16:51 – Updated: 2025-10-21 23:35
VLAI? CISA
Summary
An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • A local user may be able to view sensitive user information
Assigner
References
Impacted products
Vendor Product Version
Apple iOS Affected: unspecified , < iOS 13.6 and iPadOS 13.6 (custom)
Create a notification for this product.
    Apple macOS Affected: unspecified , < macOS Catalina 10.15.6 (custom)
Create a notification for this product.
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog

Date added: 2022-09-08

Due date: 2022-09-29

Required action: Apply updates per vendor instructions.

Used in ransomware: Unknown

Notes: https://support.apple.com/en-us/HT211288, https://support.apple.com/en-us/HT211289; https://nvd.nist.gov/vuln/detail/CVE-2020-9934

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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.