Microsoft Windows NT 4.0 RPC Locator rpcss.exe denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Microsoft Windows NT 4.0 (Operating System) and classified as problematic. Affected by this issue is an unknown part of the file rpcss.exe of the component RPC Locator. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. Impacted is availability.

The weakness was released 02/07/1997 as Q162567 as confirmed knowledge base article (Website). The advisory is shared for download at This vulnerability is handled as CVE-1999-0228. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version XP or 2000 eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 1576.

The vulnerability is also documented in the databases at SecurityFocus (BID 688), X-Force (17) and Vulnerability Center (SBV-628).





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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VulDB Reliability: 🔍



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Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfoedit

Threat: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Windows XP/2000
TippingPoint: 🔍

McAfee IPS: 🔍
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SourceFire IPS: 🔍
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02/07/1997 🔍
02/07/1997 +0 days 🔍
02/07/1997 +0 days 🔍
02/07/1997 +0 days 🔍
01/02/2003 +2155 days 🔍
06/17/2014 +4184 days 🔍
01/08/2019 +1666 days 🔍
05/07/2019 +119 days 🔍



Advisory: Q162567
Status: Confirmed

CVE: CVE-1999-0228 (🔍)
SecurityFocus: 688 - NT RPC CPU Utilization Vulnerability
X-Force: 17
Vulnerability Center: 628 - DoS in Windows NT RPCSS.EXE (RPC Locator), High


Created: 06/18/2014 12:55 AM
Updated: 05/07/2019 10:51 PM
Changes: (2) source_securityfocus_date source_securityfocus_class
Complete: 🔍


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