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Internet Explorer CVE-2020-1506

MEDIUM
2020-09-11 secure@microsoft.com
6.1
CVSS 3.1 · Vendor: microsoft
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Vulnerability Assessment

Impact

CVSS score of 6.1 (MEDIUM). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.

Exploit ScenarioDerived

Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 2.1% exploitation probability (EPSS)

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AnalysisAI

<p>An elevation of privilege vulnerability exists in the way that the Wininit.dll handles objects in memory. Rated medium severity (CVSS 6.1), this vulnerability is low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

<p>An elevation of privilege vulnerability exists in the way that the Wininit.dll handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions.</p> <p>There are multiple ways an attacker could exploit the vulnerability:</p> <ul> <li><p>In a web-based attack scenario, an attacker could host a specially crafted website that is designed to exploit this vulnerability and then convince a user to view the website. An attacker would have no way to force users to view the attacker-controlled content. Instead, an attacker would have to convince users to take action, typically by getting them to click a link in an email message or in an Instant Messenger message that takes users to the attacker's website, or by opening an attachment sent through email.</p> </li> <li><p>In a file sharing attack scenario, an attacker could provide a specially crafted document file that is designed to exploit this vulnerability, and then convince a user to open the document file.</p> </li> </ul> <p>The security update addresses the vulnerability by ensuring the Wininit.dll properly handles objects in memory.</p> Affected products include: Microsoft Internet Explorer.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (microsoft) PRIMARY 6.1 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Primary rating from Vendor (microsoft) · only source for this CVE.

CVSS VectorVendor: microsoft

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None

DescriptionCVE.org

<p>An elevation of privilege vulnerability exists in the way that the Wininit.dll handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions.</p> <p>There are multiple ways an attacker could exploit the vulnerability:</p> <ul> <li><p>In a web-based attack scenario, an attacker could host a specially crafted website that is designed to exploit this vulnerability and then convince a user to view the website. An attacker would have no way to force users to view the attacker-controlled content. Instead, an attacker would have to convince users to take action, typically by getting them to click a link in an email message or in an Instant Messenger message that takes users to the attacker's website, or by opening an attachment sent through email.</p> </li> <li><p>In a file sharing attack scenario, an attacker could provide a specially crafted document file that is designed to exploit this vulnerability, and then convince a user to open the document file.</p> </li> </ul> <p>The security update addresses the vulnerability by ensuring the Wininit.dll properly handles objects in memory.</p>

Threat Intelligence Overview

EPSS Score
2.1%
Top 20% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 2.1%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +30
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*
CVE-2012-1876 CRITICAL POC
9.3 Jun 12

Microsoft Internet Explorer 6 through 9, and 10 Consumer Preview, does not properly handle objects in memory, which allo

CVE-2014-0307 CRITICAL POC
9.3 Mar 12

Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code or cause

CVE-2013-0025 CRITICAL POC
9.3 Feb 13

Use-after-free vulnerability in Microsoft Internet Explorer 8 allows remote attackers to execute arbitrary code via a cr

CVE-2012-1875 CRITICAL POC
9.3 Jun 12

Microsoft Internet Explorer 8 does not properly handle objects in memory, which allows remote attackers to execute arbit

CVE-2013-3205 CRITICAL POC
9.3 Sep 11

Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code or cause a denial of service (

CVE-2013-3184 CRITICAL POC
9.3 Aug 14

Microsoft Internet Explorer 7 through 10 allows remote attackers to execute arbitrary code or cause a denial of service

CVE-2016-3213 HIGH POC
8.8 Jun 16

The Web Proxy Auto Discovery (WPAD) protocol implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and

CVE-2014-1764 CRITICAL POC
10.0 Apr 27

Microsoft Internet Explorer 7 through 11 allows remote attackers to execute arbitrary code and bypass a sandbox protecti

CVE-2017-8636 HIGH POC
7.5 Aug 08

Microsoft browsers in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Serve

CVE-2014-0282 CRITICAL POC
9.3 Jun 11

Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service

CVE-2016-7287 HIGH POC
7.5 Dec 20

The scripting engines in Microsoft Internet Explorer 11 and Microsoft Edge allow remote attackers to execute arbitrary c

CVE-2016-0199 HIGH POC
8.8 Jun 16

Microsoft Internet Explorer 9 through 11 allows remote attackers to execute arbitrary code or cause a denial of service

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