Vulnerability in F-Secure Safe

CVE-2020-14977

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.031 (87.8th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-14977: held from 0.028 to 0.031.

EPSS over last 30 days · oldest: 0.028 · newest: 0.031 · change: +0.004

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-14977?
CVE-2020-14977 is a high-severity vulnerability in F-Secure Safe. CVSS score: 8.1/10. Published 2020-06-23.
How severe is CVE-2020-14977?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2020-14977 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.