Insecure Trust of certificates using collision hash functions in Bitdefender Total Security HTTPS Scanning (VA-11239)
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-295.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Bitdefender | Total Security | before 27.0.25.115 | 27.0.25.115 | Patch available | CNA |
- Total Security VendorBitdefender Affected before 27.0.25.115 Fixed in 27.0.25.115 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:bitdefender:total_security:*:*:*:*:*:*:*:* | before 27.0.25.115 | Vulnerable | Bitdefender |
- cpe:2.3:a:bitdefender:total_security:*:*:*:*:*:*:*:* Versions before 27.0.25.115 Vulnerable ·Bitdefender
Remediation
- Fix · CNA Total Security (Bitdefender) Fixed in 27.0.25.115
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Bitdefender Total Security 27.0.25.115
5 records Highest priority Priority LOW 5 LOW
Other records, highest priority first
- TI-2023-05579 HTTPS Certificate Validation Issue in Bitdefender Safepay (VA-11167)Priority LOW 39
- TI-2023-05578 Insecure Trust of DSA-Signed Certificates in Bitdefender Total Security HTTPS Scanning (VA-11166)Priority LOW 39
- TI-2023-05577 Insecure Trust of Self-Signed Certificates in Bitdefender Total Security HTTPS Scanning (VA-11164)Priority LOW 39
Timeline
- 2026-10-02 Threatist record created from CVE-2023-49567
- 2026-10-03 Alias added: GHSA-f28x-wgjx-v8hh
References
More Bitdefender Total Security vulnerabilities
- TI-2007-05541 Unspecified vulnerability in BitDefender allows attackers to execute arbitrary code via… CVSS 3.1CRITICAL 9.8
- TI-2025-06435 Local Privilege Escalation via Arbitrary File Operation in Bitdefender Total Security CVSS 4.0HIGH 8.8
- TI-2023-27071 Insecure Trust of Basic Constraints certificate in Bitdefender Total Security HTTPS Scanning (VA-11210) CVSS 4.0HIGH 8.6
- TI-2023-05579 HTTPS Certificate Validation Issue in Bitdefender Safepay (VA-11167) CVSS 4.0HIGH 8.6
- TI-2023-05578 Insecure Trust of DSA-Signed Certificates in Bitdefender Total Security HTTPS Scanning (VA-11166) CVSS 4.0HIGH 8.6
- TI-2023-05577 Insecure Trust of Self-Signed Certificates in Bitdefender Total Security HTTPS Scanning (VA-11164) CVSS 4.0HIGH 8.6
Sources
- CVE-2023-49567 · CVE Program
- CVE-2023-49567 · NVD
- FIRST EPSS
- GHSA-f28x-wgjx-v8hh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences