CVE-2023-6055
CVE-2023-6055 is a high-severity vulnerability in Bitdefender Total Security with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.
Key facts
- Severity: High (CVSS 3.x base score 7.4)
- CVSS v4: 8.6
- EPSS exploit prediction: 0% (15th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-58312
- Weakness: CWE-295
- Affected product: Bitdefender Total Security
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2023-6055?
- 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.
- How severe is CVE-2023-6055?
- CVE-2023-6055 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2023-6055 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-6055?
- CVE-2023-6055 affects Bitdefender Total Security. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-6055?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2023-6055 have an EU (EUVD) identifier?
- Yes. CVE-2023-6055 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58312.
- When was CVE-2023-6055 published?
- CVE-2023-6055 was published on 2024-10-18 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:bitdefender:total_security:*:*:*:*:*:*:*:*
More vulnerabilities in Bitdefender Total Security
- CVE-2007-5775 — Critical (CVSS 9.8): Unspecified vulnerability in BitDefender allows attackers to execute arbitrary code via unspecified vectors, aka…
- CVE-2020-8107 — High (CVSS 8.2): A Process Control vulnerability in ProductAgentUI.exe as used in Bitdefender Antivirus Plus allows an attacker to…
- CVE-2025-7073 — High (CVSS 7.8): A local privilege escalation vulnerability in Bitdefender Total Security versions prior to 27.0.47.241 allows…
- CVE-2023-6154 — High (CVSS 7.8): A configuration setting issue in seccenter.exe as used in Bitdefender Total Security, Bitdefender Internet Security,…
- CVE-2021-4199 — High (CVSS 7.8): Incorrect Permission Assignment for Critical Resource vulnerability in the crash handling component BDReinit.exe as…
- CVE-2021-3579 — High (CVSS 7.8): Incorrect Default Permissions vulnerability in the bdservicehost.exe and Vulnerability.Scan.exe components as used in…
All CVEs affecting Bitdefender Total Security →
Other CWE-295 (Improper Certificate Validation) vulnerabilities
- CVE-2026-4370 — Critical (CVSS 10.0): A vulnerability was identified in Juju from version 3.2.0 until 3.6.19 and from version 4.0 until 4.0.4, where the…
- CVE-2026-30836 — Critical (CVSS 10.0): Step CA is an online certificate authority for secure, automated certificate management for DevOps. Versions 0.30.0-rc6…
- CVE-2025-68121 — Critical (CVSS 10.0): During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between…
- CVE-2022-20703 — Critical (CVSS 10.0): Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker…
- CVE-2021-1471 — Critical (CVSS 9.9): Multiple vulnerabilities in Cisco Jabber for Windows, Cisco Jabber for MacOS, and Cisco Jabber for mobile platforms…
- CVE-2026-20184 — Critical (CVSS 9.8): A vulnerability in the integration of single sign-on (SSO) with Control Hub in Cisco Webex Services could have allowed…
Browse all CWE-295 (Improper Certificate Validation) vulnerabilities →