Microsoft IIS 4.0 Log Long URL privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Microsoft IIS 4.0. This affects an unknown part of the component Log Handler. Such manipulation as part of Long URL leads to privileges management. This vulnerability is traded as CVE-1999-0448. Furthermore, there is an exploit available. This vulnerability is historically impactful due to its background and the reception it garnered. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft IIS 4.0 (Web Server) and classified as problematic. Affected by this issue is some unknown functionality of the component Log Handler. The manipulation as part of a Long URL 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. CVE summarizes:

IIS 4.0 and Apache log HTTP request methods, regardless of how long they are, allowing a remote attacker to hide the URL they really request.

The weakness was shared 01/01/1999. This vulnerability is handled as CVE-1999-0448. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/26/2025). The MITRE ATT&CK project declares the attack technique as T1068. This vulnerability has a historic impact due to its background and reception.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86062 (Microsoft IIS 4.0 Log Avoidance Vulnerability).

Upgrading to version 5.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (1656), Exploit-DB (19149), SecurityFocus (BID 191†) and Vulnerability Center (SBV-605†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: IIS 5.0

Timelineinfo

01/01/1999 🔍
01/01/1999 +0 days 🔍
01/01/1999 +0 days 🔍
12/31/2002 +1460 days 🔍
06/19/2014 +4188 days 🔍
10/26/2025 +4146 days 🔍

Sourcesinfo

Vendor: microsoft.com

Status: Confirmed

CVE: CVE-1999-0448 (🔍)
GCVE (CVE): GCVE-0-1999-0448
GCVE (VulDB): GCVE-100-14324
X-Force: 1656
SecurityFocus: 191
Vulnerability Center: 605 - Microsoft IIS 4 Allows Overly Long HTTP Requests not to be Logged, Low

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/20/2014 00:33
Updated: 10/26/2025 00:35
Changes: 06/20/2014 00:33 (55), 05/07/2019 21:07 (1), 02/15/2025 20:05 (27), 10/26/2025 00:35 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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