CVE-2011-4040 EXPLOIT
10.0
HIGH · CVSS 2.0 · EPSS 65.3% (pctl 99)
Patch early
A public exploit exists.
Description
Buffer overflow in MiniSmtp 3.0.11818 in NJStar Communicator allows remote attackers to execute arbitrary code via a crafted packet.
Scoring
| CVSS | 10.0 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
| EPSS | 65.26% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2011-11-21 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| njstar | njstar communicator |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | NJStar Communicator MiniSmtp - Buffer Overflow (ASLR Bypass) | 2011-12-03 |
| exploit-db | NJStar Communicator 3.00 - MiniSMTP Server Remote (Metasploit) | 2011-10-31 |
→ the Explorer · watch your stack · NVD