CVE-2000-1129

McAfee WebShield SMTP 4.5 - Denial of Service via Malformed Recipient Field

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2000-1129. PoCs published by Jari Helenius.

AI-analyzed exploit summary The exploit describes a DoS vulnerability in Network Associates WebShield SMTP where sending an email with six '%20' followed by any character in the recipient field causes an access violation crash. No code execution is demonstrated, only a crash.

Description

McAfee WebShield SMTP 4.5 allows remote attackers to cause a denial of service via a malformed recipient field.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Jari Helenius · textdoswindows
https://www.exploit-db.com/exploits/20432

The exploit describes a DoS vulnerability in Network Associates WebShield SMTP where sending an email with six '%20' followed by any character in the recipient field causes an access violation crash. No code execution is demonstrated, only a crash.

Classification
Writeup 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Network Associates WebShield SMTP
No auth needed
Prerequisites: Ability to send an outgoing email through the affected WebShield SMTP gateway
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/1999
Exploit, Vendor Advisory mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2000-11/0324.html

Scores

EPSS 0.0248
EPSS Percentile 82.6%

Details

Status published
Products (1)
network_associates/webshield_smtp 4.5
Published Jan 09, 2001
Tracked Since Feb 18, 2026