Buffer overflow in Bigantsoft Bigant Messenger

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.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v2 metric

CVSS v2 base score 10.0 (High). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.627 (99.2th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2009-4660: rose from 0.621 to 0.627.

EPSS over last 30 days · oldest: 0.621 · newest: 0.627 · change: +0.006

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2009-4660?
CVE-2009-4660 is a vulnerability in Bigantsoft Bigant Messenger, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2010-03-03.
Is CVE-2009-4660 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.