CVE-2000-0983

Microsoft NetMeeting - Denial of Service via Null Byte Sequence

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2000-0983. PoCs published by Kirk Corey.

AI-analyzed exploit summary The exploit leverages a malformed input string sent to port 1720 to cause a DoS in Microsoft NetMeeting's Remote Desktop Sharing component. It uses netcat to flood the target with data from /dev/zero, resulting in 100% CPU utilization and session failure.

Description

Microsoft NetMeeting with Remote Desktop Sharing enabled allows remote attackers to cause a denial of service (CPU utilization) via a sequence of null bytes to the NetMeeting port, aka the "NetMeeting Desktop Sharing" vulnerability.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Kirk Corey · textdoswindows
https://www.exploit-db.com/exploits/20289

The exploit leverages a malformed input string sent to port 1720 to cause a DoS in Microsoft NetMeeting's Remote Desktop Sharing component. It uses netcat to flood the target with data from /dev/zero, resulting in 100% CPU utilization and session failure.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Microsoft NetMeeting for Windows NT 4.0 / 2000
No auth needed
Prerequisites: NetMeeting installed and running · Access to port 1720 on the target
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/5368
Vendor Advisory vendor-advisory x_refsource_mskb
http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ273854
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/140341
Exploit, Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/1798

Scores

EPSS 0.2063
EPSS Percentile 97.2%

Details

Status published
Products (1)
microsoft/netmeeting 3.0.1
Published Dec 19, 2000
Tracked Since Feb 18, 2026