What is CVE-2019-8351?

CVE-2019-8351 is a critical-severity vulnerability in Heimdalsecurity Thor, classified under Improper Certificate Validation. CVSS score: 9.1/10. Published 2019-03-21.

How severe is CVE-2019-8351?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Heimdalsecurity Thor

CVE-2019-8351

Heimdal Thor Agent 2.5.17x before 2.5.173 does not verify X.509 certificates from TLS servers, which allows remote attackers to spoof servers and obtain sensitive information via a crafted certificate.

Vulnerability class: Improper Certificate Validation

EPSS: 0.013 (66.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Heimdalsecurity Thor — versions 2.5.170, 2.5.171, 2.5.172
N/a — versions n/a

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2019-8351?: CVE-2019-8351 is a critical-severity vulnerability in Heimdalsecurity Thor, classified under Improper Certificate Validation. CVSS score: 9.1/10. Published 2019-03-21.
How severe is CVE-2019-8351?: Critical severity. CVSS v3 base score is 9.1 out of 10.