CVE-2020-14977

high

Description

An issue was discovered in F-Secure SAFE 17.7 on macOS. The XPC services use the PID to identify the connecting client, which allows an attacker to perform a PID reuse attack and connect to a privileged XPC service, and execute privileged commands on the system. NOTE: the attacker needs to execute code on an already compromised machine.

References

https://www.f-secure.com/en/home/products/safe

https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame

https://theevilbit.github.io/posts/

Details

Source: Mitre, NVD

Published: 2020-06-23

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.1

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00802