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CVE-2020-14977

HIGHCVSS 8.1/10EPSS 2.80%

Last modified

CVE-2020-14977 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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. EPSS estimates a 2.80% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.1/10

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

EPSS Probability
2.80%

84.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
F-SecureSafe17.7

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2020-14977?
CVE-2020-14977 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 2.80% probability of exploitation in the next 30 days.
How do I fix CVE-2020-14977?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-14977?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST