Vulnerability in Bitdefender Total Security

CVE-2023-6055

A vulnerability has been identified in Bitdefender Total Security HTTPS scanning functionality where the software fails to properly validate website certificates. Specifically, if a site certificate lacks the "Server Authentication" specification in the Extended Key Usage extension, the product does not verify the certificate's compliance with the site, deeming such certificates as valid. This flaw could allow an attacker to perform a Man-in-the-Middle (MITM) attack, intercepting and potentially altering communications between the user and the website.

Vulnerability class: Improper Certificate Validation

EPSS: 0.002 (14.2th 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-2023-6055?
CVE-2023-6055 is a high-severity vulnerability in Bitdefender Total Security, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2024-10-18.
How severe is CVE-2023-6055?
High severity. CVSS v3 base score is 7.4 out of 10.