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

A vulnerability was found in Microsoft Internet Information Server 4.0/5.0 (Web Server). It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the component FTP Service. The manipulation with an unknown input leads to a information disclosure vulnerability (User). The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

FTP service in IIS 5.0 and earlier allows remote attackers to enumerate Guest accounts in trusted domains by preceding the username with a special sequence of characters.

The weakness was disclosed 06/27/2001 with Microsoft as MS01-026 as confirmed bulletin (Technet). The advisory is shared at microsoft.com. This vulnerability is known as CVE-2001-0335. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Applying the patch MS01-026 is able to eliminate this problem. The bugfix is ready for download at microsoft.com.

The vulnerability is also documented in the vulnerability database at X-Force (6545). The entries 16836, 16838 and 16839 are pretty similar.

Productinfo

Type

• Web Server

Vendor

• Microsoft

Name

• Internet Information Server

Version

• 4.0
• 5.0

License

• commercial

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: User
Class: Information disclosure / User
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS01-026

Timelineinfo

05/14/2001 🔍
06/27/2001 +44 days 🔍
06/27/2001 +0 days 🔍
06/27/2001 +0 days 🔍
01/06/2004 +923 days 🔍
07/04/2014 +3832 days 🔍
05/19/2019 +1780 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS01-026
Organization: Microsoft
Status: Confirmed

CVE: CVE-2001-0335 (🔍)
X-Force: 6545 - Microsoft IIS FTP weak domain authentication
Vulnerability Center: 3340 - [MS01-026] FTP service in IIS 5.0 Allows Access to the Domain, High
SecurityFocus: 2719 - Microsoft IIS Various Domain User Account Access Vulnerability

See also: 🔍

Entryinfo

Created: 07/04/2014 16:20
Updated: 05/19/2019 07:14
Changes: 07/04/2014 16:20 (45), 05/19/2019 07:14 (22)
Complete: 🔍

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