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Bitdefender said 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.
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The vulnerability tracked as CVE-2023-6055 could allow an attacker to perform a Man-in-the-Middle (MITM) attack, intercepting and potentially altering communications between the user and the website. a severity score of 8.6 on the CVSSv4 scale, indicating the high risk they pose to users’ security.
“A vulnerability has been identified in Bitdefender Total Security HTTPS scanning functionality where the software fails to properly validate website certificates,” the advisory states.
Bitdefender has quickly resolved this vulnerability with an automatic update to version 27.0.25.115, which fixes the issue, as confirmed in the advisory for each CVE.
Bitdefender Total Security users should update their software to the latest version to reduce risks. This highlights the need to stay vigilant about software updates and security patches, even for trusted products.
