Microsoft IIS 4.0 Domain Resolution privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Microsoft IIS 4.0. This affects an unknown part of the component Domain Resolution Handler. The manipulation leads to privileges management. This vulnerability is traded as CVE-1999-1233. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft IIS 4.0 (Web Server). This issue affects an unknown functionality of the component Domain Resolution Handler. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

IIS 4.0 does not properly restrict access for the initial session request from a user's IP address if the address does not resolve to a DNS domain, aka the "Domain Resolution" vulnerability.

The weakness was shared 12/31/1999 by FIRST with Microsoft as MS99-039 as confirmed security bulletin (Website). The advisory is shared at microsoft.com. The identification of this vulnerability is CVE-1999-1233. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 5.0 eliminates this vulnerability. Applying the patch MS99-039 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (3306), SecurityFocus (BID 657†) and Vulnerability Center (SBV-3117†). The entry VDB-14853 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: IIS 5.0
Patch: MS99-039

Timelineinfo

09/23/1999 🔍
12/31/1999 +99 days 🔍
12/31/1999 +0 days 🔍
12/31/1999 +0 days 🔍
12/09/2003 +1439 days 🔍
06/23/2014 +3849 days 🔍
04/20/2026 +4319 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS99-039
Researcher: FIRST
Organization: Microsoft
Status: Confirmed

CVE: CVE-1999-1233 (🔍)
GCVE (CVE): GCVE-0-1999-1233
GCVE (VulDB): GCVE-100-15149
X-Force: 3306 - Microsoft IIS could allow remote access to servers marked as Restrict Access
SecurityFocus: 657 - Microsoft IIS 4.0 Domain Resolution Vulnerability
Vulnerability Center: 3117 - IIS 4.0 and MCIS 2.5 \, Medium

See also: 🔍

Entryinfo

Created: 06/23/2014 10:15
Updated: 04/20/2026 04:03
Changes: 06/23/2014 10:15 (68), 05/17/2019 18:20 (1), 04/20/2026 04:03 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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