Microsoft Internet Explorer 5.0/5.01/5.5 IFRAME NavigateComplete2 privileges management

CVSS Meta Temp Score
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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 5.0/5.01/5.5. Affected by this issue is the function NavigateComplete2 of the component IFRAME Handler. Such manipulation leads to privileges management. This vulnerability is uniquely identified as CVE-2000-0503. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer 5.0/5.01/5.5 (Web Browser). It has been rated as critical. Affected by this issue is the function NavigateComplete2 of the component IFRAME 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:

The IFRAME of the WebBrowser control in Internet Explorer 5.01 allows a remote attacker to violate the cross frame security policy via the NavigateComplete2 event.

The issue has been introduced in 06/02/1998. The weakness was disclosed 06/06/2000 by Georgi Guninski (Website). The advisory is shared for download at archives.neohapsis.com. This vulnerability is handled as CVE-2000-0503. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is 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 735 days. During that time the estimated underground price was around $25k-$100k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (5504), SecurityFocus (BID 1311†) and Vulnerability Center (SBV-5997†). The entry VDB-15910 is pretty similar. 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 🔍
06/06/2000 +735 days 🔍
06/06/2000 +0 days 🔍
06/06/2000 +0 days 🔍
06/06/2000 +0 days 🔍
11/24/2004 +1632 days 🔍
06/25/2014 +3500 days 🔍
04/21/2026 +4318 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: archives.neohapsis.com
Researcher: Georgi Guninski
Status: Confirmed

CVE: CVE-2000-0503 (🔍)
GCVE (CVE): GCVE-0-2000-0503
GCVE (VulDB): GCVE-100-15632
X-Force: 5504
SecurityFocus: 1311 - Microsoft IE NavigateComplete2 Cross Frame Access Vulnerability
Vulnerability Center: 5997 - [MS00-055] Microsoft Internet Explorer Allows Reading Arbitrary Files via NavigateComplete2, Medium

See also: 🔍

Entryinfo

Created: 06/25/2014 10:11
Updated: 04/21/2026 18:31
Changes: 06/25/2014 10:11 (45), 04/07/2017 12:06 (20), 04/21/2026 18:31 (17)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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