VDB-15464 · CVE-2000-0266 · BID 1121

Microsoft Internet Explorer 5.0/5.01 Cross Frame privileges management

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

Summaryinfo

A vulnerability categorized as critical has been discovered in Microsoft Internet Explorer 5.0/5.01. This impacts an unknown function of the component Cross Frame Handler. Such manipulation leads to privileges management. This vulnerability is traded as CVE-2000-0266. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Internet Explorer 5.0/5.01 (Web Browser). Affected by this issue is an unknown functionality of the component Cross Frame Handler. The manipulation with an unknown input 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:

Internet Explorer 5.01 allows remote attackers to bypass the cross frame security policy via a malicious applet that interacts with the Java JSObject to modify the DOM properties to set the IFRAME to an arbitrary Javascript URL.

The issue has been introduced in 06/02/1998. The weakness was shared 04/18/2000 by Georgi Guninski (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2000-0266. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 686 days. During that time the estimated underground price was around $25k-$100k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 1121†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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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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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: 🔍
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: 🔍

Timelineinfo

06/02/1998 🔍
04/18/2000 +686 days 🔍
04/18/2000 +0 days 🔍
04/19/2000 +1 days 🔍
06/24/2014 +5179 days 🔍
04/21/2026 +4319 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: securityfocus.com⛔
Researcher: Georgi Guninski
Status: Confirmed

CVE: CVE-2000-0266 (🔍)
GCVE (CVE): GCVE-0-2000-0266
GCVE (VulDB): GCVE-100-15464
SecurityFocus: 1121 - MS IE 5.01 JSObject Cross-Frame Vulnerability

Entryinfo

Created: 06/24/2014 11:34
Updated: 04/21/2026 05:09
Changes: 06/24/2014 11:34 (42), 04/07/2017 12:06 (14), 04/21/2026 05:09 (17)
Complete: 🔍
Cache ID: 216::103

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