Microsoft Internet Explorer 8/9 TCP Session config

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Microsoft Internet Explorer 8/9 (Web Browser) and classified as problematic. This issue affects an unknown function of the component TCP Session Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-16. Impacted is confidentiality.

The issue has been introduced in 03/05/2008. The weakness was released 01/27/2013 by Christian Haider as not defined exploit (Pastebin). It is possible to read the advisory at The vendor was not involved in the public release. The identification of this vulnerability is CVE-2013-1450 since 01/28/2013. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Christian Haider and been published immediately after the advisory. It is declared as proof-of-concept. The exploit is available at The vulnerability was handled as a non-public zero-day exploit for at least 1789 days. During that time the estimated underground price was around $25k-$100k.

The problem might be mitigated by replacing the product with Firefox, Chrome or Opera as an alternative.

The vulnerability is also documented in the databases at SecurityFocus (BID 57640), X-Force (81705) and Vulnerability Center (SBV-38460). Entry connected to this vulnerability is available at 7510.





CPE 2.3infoedit

CPE 2.2infoedit



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: 🔍



VulDB Base Score: 🔍
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NVD Base Score: 🔍


Class: Information disclosure
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Christian Haider
Download: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


OpenVAS ID: 803305
OpenVAS Name: MS IE Information Disclosure and Web Site Spoofing Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfoedit

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


Recommended: Alternative
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Alternative: Firefox/Chrome/Opera


03/05/2008 🔍
01/27/2013 +1789 days 🔍
01/27/2013 +0 days 🔍
01/28/2013 +1 days 🔍
01/29/2013 +1 days 🔍
01/29/2013 +0 days 🔍
02/01/2013 +3 days 🔍
02/18/2013 +17 days 🔍
03/02/2014 +377 days 🔍
05/04/2021 +2620 days 🔍



Researcher: Christian Haider
Status: Not defined

CVE: CVE-2013-1450 (🔍)

SecurityFocus: 57640
X-Force: 81705
Vulnerability Center: 38460 - Microsoft Internet Explorer 8, 9 Remote Leakage of Information via a Crafted HTML Document, Medium
OSVDB: 89619 - Microsoft IE Proxy Server TCP Session Re-use Cross-user Information Disclosure Weakness

scip Labs:
See also: 🔍


Created: 02/01/2013 11:19 AM
Updated: 05/04/2021 08:15 AM
Changes: (7) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss2_nvd_basescore
Complete: 🔍


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