VDB-14560 · CVE-1999-1254 · XFDB 1947

Microsoft Windows 95/98/NT 4.0 ICMP Redirect Message denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Microsoft Windows 95/98/NT 4.0. The impacted element is an unknown function of the component ICMP Redirect Message Handler. Executing a manipulation can lead to denial of service. This vulnerability is registered as CVE-1999-1254. Furthermore, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Microsoft Windows 95/98/NT 4.0 (Operating System). It has been declared as problematic. This vulnerability affects an unknown function of the component ICMP Redirect Message Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

Windows 95, 98, and NT 4.0 allow remote attackers to cause a denial of service by spoofing ICMP redirect messages from a router, which causes Windows to change its routing tables.

The issue has been introduced in 08/24/1995. The weakness was published 03/08/1999 as not defined posting (NTBugtraq). The advisory is shared for download at marc.theaimsgroup.com. This vulnerability was named CVE-1999-1254. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.

It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 1292 days. During that time the estimated underground price was around $25k-$100k.

Upgrading to version ME or 2000 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (1947). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Operating System

Vendor

Microsoft

Name

Windows

Version

License

commercial

Website

Vendor: https://www.microsoft.com/
Product: https://www.microsoft.com/en-us/windows

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Windows ME/2000

Timelineinfo

08/24/1995 🔍
03/08/1999 +1292 days 🔍
03/08/1999 +0 days 🔍
06/20/2014 +5583 days 🔍
04/19/2026 +4320 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: marc.theaimsgroup.com
Status: Confirmed

CVE: CVE-1999-1254 (🔍)
GCVE (CVE): GCVE-0-1999-1254
GCVE (VulDB): GCVE-100-14560
X-Force: 1947

scip Labs: https://www.scip.ch/en/?labs.20140213

Entryinfo

Created: 06/20/2014 22:52
Updated: 04/19/2026 00:07
Changes: 06/20/2014 22:52 (44), 04/14/2019 17:14 (10), 04/19/2026 00:07 (18)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.