A certain ActiveX control in (1) OScan8.ocx and (2) Oscan81.ocx in BitDefender Online…
Priority MEDIUM 51CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
A certain ActiveX control in (1) OScan8.ocx and (2) Oscan81.ocx in BitDefender Online Anti-Virus Scanner 8.0 allows remote attackers to execute arbitrary code via a long argument to the InitX method that begins with a "%%" sequence, which is misinterpreted as a Unicode string and decoded twice, leading to improper memory allocation and a heap-based buffer overflow.
Why it matters now
EPSS 0.08084 94th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:bitdefender:online_anti-virus_scanner:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Bitdefender |
- cpe:2.3:a:bitdefender:online_anti-virus_scanner:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Bitdefender
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2007-6189
- 2026-10-03 Alias added: GHSA-8w62-3h89-722w
References
Exploit 1
Advisory 1
Sources
- CVE-2007-6189 · CVE Program
- CVE-2007-6189 · NVD
- FIRST EPSS
- GHSA-8w62-3h89-722w · 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