What’s Vulnerable › Vulnerabilities
CVE-2023-6055: Improper Certificate Validation in Bitdefender Total Security HTTPS Scanning (VA-11158)
- Severity: high (CVSS 7.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-10-18 · updated 2026-06-17
- Weakness: CWE-295
Description
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.
Affected products
- Bitdefender Total Security: before 27.0.25.115 — fixed in 27.0.25.115
How to fix
Upgrade to a fixed version: Bitdefender Total Security 27.0.25.115. Check the vendor advisory for mitigations.
References
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