Microsoft Internet Explorer up to 6.0 "?") denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as problematic has been found in Microsoft Internet Explorer up to 6.0 (Web Browser). Affected is an unknown function. The manipulation of the argument "?") with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. This is going to have an impact on availability. CVE summarizes:

Microsoft Internet Explorer 6.0 SP1 and earlier allows remote attackers to cause a denial of service (crash) via an invalid src attribute value ("?") in an HTML frame tag that is in a frameset tag with a large rows attribute. NOTE: The provenance of this information is unknown; the details are obtained solely from third party information.

The weakness was disclosed 12/05/2006 (Website). The advisory is available at This vulnerability is traded as CVE-2006-6310 since 12/06/2006. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 21447). The entry 33643 is pretty similar.





CPE 2.3infoedit

CPE 2.2infoedit


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: 🔍



VulDB Base Score: 🔍
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VulDB Reliability: 🔍


Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
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Remediation: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍


12/05/2006 🔍
12/05/2006 +0 days 🔍
12/06/2006 +0 days 🔍
12/06/2006 +0 days 🔍
01/11/2007 +36 days 🔍
03/12/2015 +2981 days 🔍
05/07/2019 +1517 days 🔍



Status: Not defined

CVE: CVE-2006-6310 (🔍)
SecurityFocus: 21447 - Microsoft Internet Explorer Frame Src Denial Of Service Vulnerability
OSVDB: 31325 - Microsoft IE HTML Frame Tag Invalid src Attribute DoS

scip Labs:
See also: 🔍


Created: 03/12/2015 10:21 PM
Updated: 05/07/2019 12:41 PM
Changes: (6) advisory_url exploit_availability exploit_publicity source_cve_assigned source_securityfocus_date source_securityfocus_class
Complete: 🔍


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