Vulnerability Details : CVE-2020-27950

A memory initialization issue was addressed. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to disclose kernel memory.
Published 2020-12-08 21:15:14
Updated 2021-02-11 19:50:02
Source Apple Inc.
View at NVD,   CVE.org

Products affected by CVE-2020-27950

CVE-2020-27950 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Apple Multiple Products Memory Initialization Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Apple iOS, iPadOS, macOS, and watchOS contain a memory initialization vulnerability that may allow a malicious application to disclose kernel memory.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2020-27950
Added on 2021-11-03 Action due date 2022-05-03

Exploit prediction scoring system (EPSS) score for CVE-2020-27950

EPSS FAQ
0.93%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-27950

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.1
 HIGH AV:N/AC:M/Au:N/C:C/I:N/A:N
8.6
6.9
 NIST
5.5
 MEDIUM CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
1.8
3.6
 NIST

CWE ids for CVE-2020-27950

  • The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-27950

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