Security readout for executives and security teams
Plain-English summary
This flaw affected Bitdefender consumer endpoint products before version 25.0.7.29. A certificate validation error in Online Threat Prevention could let an attacker bypass HSTS protections after user interaction, undermining browser transport security expectations. The main business risk is integrity loss, not direct data disclosure or system outage.
Executive priority
Treat as a moderate endpoint hygiene issue. It should be remediated through normal patch management, with faster handling for roaming users and systems frequently exposed to untrusted networks.
Technical view
CVE-2020-15732 is CWE-295 improper certificate validation in Bitdefender Online Threat Prevention. CVSS 3.1 is 6.5: network reachable, low complexity, no privileges, user interaction required, unchanged scope, high integrity impact, no confidentiality or availability impact. Affected products are Total Security, Internet Security, and Antivirus Plus before 25.0.7.29.
Likely exposure
Exposure is likely limited to endpoints running Bitdefender Total Security, Internet Security, or Antivirus Plus versions earlier than 25.0.7.29 with Online Threat Prevention in use.
Exploitation context
The bundle does not show CISA KEV listing or other cited evidence of active exploitation. The CVSS vector indicates exploitation is network-based but requires user interaction and primarily affects integrity through potential HSTS bypass.
Researcher notes
The provided evidence names affected products and fixed version threshold, but does not include deeper root-cause details or exploit telemetry. Avoid assuming broader Bitdefender products, server exposure, or active exploitation from this bundle alone.
Mitigation direction
- Upgrade affected Bitdefender products to version 25.0.7.29 or later.
- Check Bitdefender’s advisory for any product-specific remediation guidance.
- Prioritize updates on laptops using untrusted or public networks.
- Confirm endpoint management reports no affected versions remain.
Validation and detection
- Inventory installed Bitdefender product names and versions across endpoints.
- Flag Total Security, Internet Security, and Antivirus Plus before 25.0.7.29.
- Verify Online Threat Prevention exposure where configuration data is available.
- Confirm patched endpoints report version 25.0.7.29 or later.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-295: Exact CWE lookup
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Open ATT&CK lookupCVE-2020-15732 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.bitdefender.com/support/security-advisories/improper-certificate-validation-bitdefender-total-security-va-8957CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Certificate Validation
Improper Certificate Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.