CVE-2007-6189
CVE-2007-6189 is a critical-severity vulnerability in Bitdefender Online Anti-virus Scanner with a CVSS 2.0 base score of 9.3. 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-119.
Key facts
- Severity: Critical (CVSS 2.0 base score 9.3)
- EPSS exploit prediction: 8% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Bitdefender Online Anti-virus Scanner
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2007-6189?
- 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.
- How severe is CVE-2007-6189?
- CVE-2007-6189 has a CVSS 2.0 base score of 9.3, rated critical severity.
- Is CVE-2007-6189 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2007-6189?
- CVE-2007-6189 affects Bitdefender Online Anti-virus Scanner. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2007-6189?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2007-6189 published?
- CVE-2007-6189 was published on 2007-11-30 and last updated on 2026-06-16.
References
- http://research.eeye.com/html/advisories/published/AD20071120.html
- http://secunia.com/advisories/27717
- http://securityreason.com/securityalert/3405
- http://securitytracker.com/id?1018986
- http://www.securityfocus.com/archive/1/483986/100/100/threaded
- http://www.vupen.com/english/advisories/2007/3935
- https://www.exploit-db.com/exploits/4663
Affected products (1)
- cpe:2.3:a:bitdefender:online_anti-virus_scanner:8.0:*:*:*:*:*:*:*
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