Microsoft IIS 4.0 File access control

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

Summaryinfo

A vulnerability classified as critical has been found in Microsoft IIS 4.0. This vulnerability affects unknown code of the component File Handler. Performing a manipulation results in access control. This vulnerability was named CVE-1999-0777. There is no available exploit. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft IIS 4.0 (Web Server). This affects some unknown processing of the component File Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

IIS FTP servers may allow a remote attacker to read or delete files on the server, even if they have "No Access" permissions.

The weakness was presented 09/23/1999 by FIRST with Microsoft as MS99-039 as confirmed bulletin (Technet). The advisory is shared at microsoft.com. This vulnerability is uniquely identified as CVE-1999-0777. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Applying the patch MS99-039 is able to eliminate this problem. The bugfix is ready for download at microsoft.com.

The vulnerability is also documented in the databases at X-Force (3305), SecurityFocus (BID 658†) and Vulnerability Center (SBV-4238†). See VDB-15149 for similar entry. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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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: Access control
CWE: CWE-264
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS99-039

Timelineinfo

09/23/1999 🔍
09/23/1999 +0 days 🔍
09/23/1999 +0 days 🔍
09/23/1999 +0 days 🔍
05/02/2004 +1683 days 🔍
06/21/2014 +3702 days 🔍
04/19/2026 +4320 days 🔍

Sourcesinfo

Vendor: microsoft.com

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

CVE: CVE-1999-0777 (🔍)
GCVE (CVE): GCVE-0-1999-0777
GCVE (VulDB): GCVE-100-14853
X-Force: 3305
SecurityFocus: 658 - Microsoft IIS FTP NO ACCESS Read/Delete File Vulnerability
Vulnerability Center: 4238 - [MS99-039] IIS FTP Servers Allow Files Disclosure, Critical

See also: 🔍

Entryinfo

Created: 06/22/2014 01:21
Updated: 04/19/2026 12:12
Changes: 06/22/2014 01:21 (64), 05/21/2019 12:15 (1), 04/19/2026 12:12 (16)
Complete: 🔍
Cache ID: 216::103

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