CVE-2011-4040
Buffer overflow in MiniSmtp 3.0.11818 in NJStar Communicator allows remote attackers to execute...
Buffer overflow in MiniSmtp 3.0.11818 in NJStar Communicator allows remote attackers to execute arbitrary code via a crafted packet.
Exploit likelihood
What each source reports
NVD Score used
Buffer overflow in MiniSmtp 3.0.11818 in NJStar Communicator allows remote attackers to execute arbitrary code via a crafted packet.
- Record
CVE-2011-4040- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
Buffer overflow in MiniSmtp 3.0.11818 in NJStar Communicator allows remote attackers to execute arbitrary code via a crafted packet.
- Record
CVE-2011-4040- Updated
- 2026-11-02
EUVDEUVD-2011-3992 No score
Buffer overflow in MiniSmtp 3.0.11818 in NJStar Communicator allows remote attackers to execute arbitrary code via a crafted packet.
- Record
EUVD-2011-3992- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j834-vhc7-49w9 No score
Buffer overflow in MiniSmtp 3.0.11818 in NJStar Communicator allows remote attackers to execute...
Buffer overflow in MiniSmtp 3.0.11818 in NJStar Communicator allows remote attackers to execute arbitrary code via a crafted packet.
- Record
GHSA-j834-vhc7-49w9- Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | NJStar Communicator 3.00 - MiniSMTP Server Remote (Metasploit) | 2011-10-31 |
| Exploit-DB | NJStar Communicator MiniSmtp - Buffer Overflow (ASLR Bypass) | 2011-12-03 |
| Metasploit | NJStar Communicator 3.00 MiniSMTP Buffer Overflow | 2011-10-31 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-4040 is a high vulnerability (CVSS 10.0) in Njstar Communicator, published November 21, 2011. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 65.3%, the 99th percentile. No source names a fixed version.