CVE-2000-0075

MsgCore - Denial of Service via Repeated SMTP Commands

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2000-0075. PoCs published by Ussr Labs.

AI-analyzed exploit summary The exploit describes a denial of service vulnerability in Nosque Workshop's MsgCore SMTP server where memory is not deallocated after processing multiple sequences of SMTP commands, leading to memory exhaustion and system freeze.

Description

Super Mail Transfer Package (SMTP), later called MsgCore, has a memory leak which allows remote attackers to cause a denial of service by repeating multiple HELO, MAIL FROM, RCPT TO, and DATA commands in the same session.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Ussr Labs · textdoswindows
https://www.exploit-db.com/exploits/19725

The exploit describes a denial of service vulnerability in Nosque Workshop's MsgCore SMTP server where memory is not deallocated after processing multiple sequences of SMTP commands, leading to memory exhaustion and system freeze.

Classification
Writeup 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Nosque Workshop MsgCore SMTP server
No auth needed
Prerequisites: Network access to the SMTP server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/930

Scores

EPSS 0.0249
EPSS Percentile 82.6%

Details

Status published
Products (1)
nosque/msgcore 1.9
Published Jan 13, 2000
Tracked Since Feb 18, 2026