Microsoft Internet Explorer up to 5.0 Sub-Frame authentication spoofing

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer up to 5.0. It has been declared as critical. This vulnerability affects unknown code of the component Sub-Frame Handler. Such manipulation leads to authentication spoofing (Frame). This vulnerability is referenced as CVE-1999-0827. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer up to 5.0 (Web Browser). It has been rated as critical. Affected by this issue is some unknown processing of the component Sub-Frame Handler. The manipulation with an unknown input leads to a authentication spoofing vulnerability (Frame). Using CWE to declare the problem leads to CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. Impacted is confidentiality. CVE summarizes:

By default, Internet Explorer 5.0 and other versions enables the "Navigate sub-frames across different domains" option, which allows frame spoofing.

The issue has been introduced in 08/13/1996. The weakness was published 11/01/1999. This vulnerability is handled as CVE-1999-0827. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 1175 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 6 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (1598), Secunia (SA13412†) and Vulnerability Center (SBV-4321†). Similar entries are available at VDB-1545, VDB-1544, VDB-14274 and VDB-21960. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Name

Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: Frame
Class: Authentication spoofing / Frame
CWE: CWE-290 / CWE-287
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: Internet Explorer 6

Timelineinfo

08/13/1996 🔍
12/23/1998 +862 days 🔍
11/01/1999 +313 days 🔍
11/01/1999 +0 days 🔍
05/19/2004 +1661 days 🔍
06/22/2014 +3686 days 🔍
04/19/2026 +4319 days 🔍

Sourcesinfo

Vendor: microsoft.com

Status: Confirmed

CVE: CVE-1999-0827 (🔍)
GCVE (CVE): GCVE-0-1999-0827
GCVE (VulDB): GCVE-100-14930
X-Force: 1598
Secunia: 13412
Vulnerability Center: 4321 - [MS98-020] Internet Explorer Allows Frame Spoofing., Medium

See also: 🔍

Entryinfo

Created: 06/22/2014 14:16
Updated: 04/19/2026 16:16
Changes: 06/22/2014 14:16 (43), 04/07/2017 12:06 (17), 04/19/2026 16:16 (18)
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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