Vulnerability in Avast Antitrack

CVE-2020-8987

Avast AntiTrack before 1.5.1.172 and AVG Antitrack before 2.0.0.178 proxies traffic to HTTPS sites but does not validate certificates, and thus a man-in-the-middle can host a malicious website using a self-signed certificate. No special action necessary by the victim using AntiTrack with "Allow filtering of HTTPS traffic for tracking detection" enabled. (This is the default configuration.)

Vulnerability class: Improper Certificate Validation

EPSS: 0.005 (40.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-8987?
CVE-2020-8987 is a high-severity vulnerability in Avast Antitrack, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2020-03-09.
How severe is CVE-2020-8987?
High severity. CVSS v3 base score is 7.4 out of 10.