A race condition was addressed with improved state handling. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. An application may be able to gain elevated privileges.
Published 2020-06-09 17:15:15
Updated 2023-01-09 16:41:59
Source Apple Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-9839

Probability of exploitation activity in the next 30 days: 0.13%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 48 % EPSS Score History EPSS FAQ

Metasploit modules for CVE-2020-9839

  • macOS cfprefsd Arbitrary File Write Local Privilege Escalation
    Disclosure Date: 2020-03-18
    First seen: 2020-09-04
    exploit/osx/local/cfprefsd_race_condition
    This module exploits an arbitrary file write in cfprefsd on macOS <= 10.15.4 in order to run a payload as root. The CFPreferencesSetAppValue function, which is reachable from most unsandboxed processes, can be exploited with a race condition in order to overw

CVSS scores for CVE-2020-9839

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
5.1
MEDIUM AV:N/AC:H/Au:N/C:P/I:P/A:P
4.9
6.4
NIST
7.0
HIGH CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
1.0
5.9
NIST

CWE ids for CVE-2020-9839

References for CVE-2020-9839

Products affected by CVE-2020-9839

This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!