Microsoft Internet Explorer 3.0.2/4.0 Redirect Password information disclosure

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 (≈)
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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.
4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer 3.0.2/4.0 and classified as critical. This vulnerability affects unknown code of the component Redirect Handler. Such manipulation leads to information disclosure (Password). This vulnerability is traded as CVE-1999-1473. The attack may be launched remotely. Furthermore, there is an exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Internet Explorer 3.0.2/4.0 (Web Browser). Affected by this issue is an unknown code of the component Redirect Handler. The manipulation with an unknown input leads to a information disclosure vulnerability (Password). Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

When a Web site redirects the browser to another site, Internet Explorer 3.02 and 4.0 automatically resends authentication information to the second site, aka the "Page Redirect Issue."

The issue has been introduced in 03/20/1997. The weakness was shared 12/31/1999 as confirmed knowledge base article (Website). The advisory is available at support.microsoft.com. This vulnerability is handled as CVE-1999-1473. 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 an exploit is available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

After 5 years, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1016 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (7426) and OSVDB (7818†). The entries VDB-15131 and VDB-15219 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Support

Website

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

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: 🔍
Exploit Delay Time: 🔍

Timelineinfo

03/20/1997 🔍
12/31/1999 +1016 days 🔍
12/31/1999 +0 days 🔍
11/21/2003 +1421 days 🔍
04/09/2004 +139 days 🔍
06/23/2014 +3727 days 🔍
04/20/2026 +4319 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: support.microsoft.com
Status: Confirmed

CVE: CVE-1999-1473 (🔍)
GCVE (CVE): GCVE-0-1999-1473
GCVE (VulDB): GCVE-100-15194
X-Force: 7426
OSVDB: 7818 - Microsoft IE Page Redirect Authentication Credential Leak

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

Entryinfo

Created: 06/23/2014 13:08
Updated: 04/20/2026 06:51
Changes: 06/23/2014 13:08 (58), 04/07/2017 12:06 (3), 04/20/2026 06:51 (15)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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