Vulnerability · Published Oct 18, 2024 · Assigned by Bitdefender

CVE-2023-49567Insecure Trust of certificates using collision hash functions in Bitdefender Total Security HTTPS Scanning (VA-11239)

High 8.6

In plain English

A high-severity improper certificate validation in Total Security from Bitdefender. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).

Severity (CVSS 4.0)8.6High
Exploit odds (30 days)0.2%top 90.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability has been identified in the Bitdefender Total Security HTTPS scanning functionality where the product incorrectly checks the site's certificate, which allows an attacker to make MITM SSL connections to an arbitrary site. The product trusts certificates that are issued using the MD5 and SHA1 collision hash functions which allow attackers to create rogue certificates that appear legitimate.

Affected products (as reported)

VendorProductVersions
Bitdefender Total Security 0 – before 27.0.25.115

Weakness: CWE-295 · Vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

References