CVE-2000-0490

NetWin dmail DSMTP 2.7q - Remote Code Execution via Long ETRN Request

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2000-0490. PoCs published by noir.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in NetWin's DMail Server v2.7q via the ETRN command. It sends a crafted buffer with NOP sleds, a return address, and shellcode to spawn a reverse shell on port 6969.

Description

Buffer overflow in the NetWin DSMTP 2.7q in the NetWin dmail package allows remote attackers to execute arbitrary commands via a long ETRN request.

Exploits (1)

exploitdb WORKING POC VERIFIED
by noir · cremotelinux
https://www.exploit-db.com/exploits/19983

This exploit targets a buffer overflow vulnerability in NetWin's DMail Server v2.7q via the ETRN command. It sends a crafted buffer with NOP sleds, a return address, and shellcode to spawn a reverse shell on port 6969.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: NetWin DMail Server v2.7q
No auth needed
Prerequisites: Network access to the target SMTP server (port 25) · Target running NetWin DMail Server v2.7q
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/4579
Exploit, Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/1297
Various Sources x_refsource_confirm
http://netwinsite.com/dmail/security.htm
Third Party Advisory mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2000-05/0407.html

Scores

EPSS 0.0624
EPSS Percentile 92.6%

Details

Status published
Products (6)
netwin/dmail 2.7
netwin/dmail 2.7q
netwin/dmail 2.8e
netwin/dmail 2.8f
netwin/dmail 2.8g
netwin/dmail 2.8h
Published Jun 01, 2000
Tracked Since Feb 18, 2026