CVE-2000-0501

MDaemon 2.8.5.0 - Denial of Service via UIDL Command Race Condition

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2000-0501. PoCs published by Craig.

AI-analyzed exploit summary This exploit demonstrates a denial-of-service (DoS) vulnerability in Alt-N MDaemon 2.8.5.0 by sending a sequence of POP3 commands in quick succession, causing the server to crash. The attack involves sending 'pass', 'uidl', and 'quit' commands before the server can respond properly.

Description

Race condition in MDaemon 2.8.5.0 POP server allows local users to cause a denial of service by entering a UIDL command and quickly exiting the server.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Craig · textdoswindows
https://www.exploit-db.com/exploits/20020

This exploit demonstrates a denial-of-service (DoS) vulnerability in Alt-N MDaemon 2.8.5.0 by sending a sequence of POP3 commands in quick succession, causing the server to crash. The attack involves sending 'pass', 'uidl', and 'quit' commands before the server can respond properly.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Alt-N MDaemon 2.8.5.0
No auth needed
Prerequisites: Network access to the target POP3 server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/1366
Patch, Vendor Advisory mailing-list x_refsource_ntbugtraq
http://archives.neohapsis.com/archives/ntbugtraq/2000-q2/0277.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/4745

Scores

EPSS 0.0414
EPSS Percentile 89.6%

Details

Status published
Products (1)
alt-n/mdaemon 2.8.5.0
Published Jun 16, 2000
Tracked Since Feb 18, 2026