What’s Vulnerable › Vulnerabilities
CVE-2023-49567: Insecure Trust of certificates using collision hash functions in Bitdefender Total Security HTTPS Scanning (VA-11239)
- Severity: medium (CVSS 6.8 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 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
- 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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