CVE-2009-4660
CVE-2009-4660 is a critical-severity vulnerability in Bigantsoft Bigant Messenger with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 62% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 2.0 base score 10.0)
- EPSS exploit prediction: 62% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Bigantsoft Bigant Messenger
- Published:
- Last modified:
Description
Stack-based buffer overflow in the AntServer Module (AntServer.exe) in BigAnt IM Server 2.50 allows remote attackers to execute arbitrary code via a long GET request to TCP port 6660.
Frequently asked questions
- What is CVE-2009-4660?
- Stack-based buffer overflow in the AntServer Module (AntServer.exe) in BigAnt IM Server 2.50 allows remote attackers to execute arbitrary code via a long GET request to TCP port 6660.
- How severe is CVE-2009-4660?
- CVE-2009-4660 has a CVSS 2.0 base score of 10.0, rated critical severity.
- Is CVE-2009-4660 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 62% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2009-4660?
- CVE-2009-4660 affects Bigantsoft Bigant Messenger. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2009-4660?
- 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-2009-4660 published?
- CVE-2009-4660 was published on 2010-03-03 and last updated on 2026-06-16.
References
- http://secunia.com/advisories/36704
- http://www.attrition.org/pipermail/vim/2009-September/002271.html
- http://www.exploit-db.com/exploits/9673
- http://www.exploit-db.com/exploits/9690
- http://www.securityfocus.com/bid/36407
- http://www.vupen.com/english/advisories/2009/2679
Affected products (1)
- cpe:2.3:a:bigantsoft:bigant_messenger:2.50:*:*:*:*:*:*:*
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