CVE-2020-1062
Microsoft Internet Explorer JScript Garbage Collection Use-After-Free Remote Code Execution Vulnerability
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka 'Internet Explorer Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-1092.
Existe una vulnerabilidad de ejecución de código remota cuando Internet Explorer accede inapropiadamente a objetos en memoria, también se conoce como "Internet Explorer Memory Corruption Vulnerability". Este ID de CVE es diferente de CVE-2020-1092.
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Internet Explorer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the implementation of garbage collection in jscript.dll. By performing actions in JScript, an attacker can cause a pointer to be reused after it has been freed. An attacker can leverage this vulnerability to execute code in the context of the current process.
*Credits:
Anonymous
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2019-11-04 CVE Reserved
- 2020-05-12 CVE Published
- 2024-08-04 CVE Updated
- 2024-11-01 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1062 | 2021-07-21 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 9 Search vendor "Microsoft" for product "Internet Explorer" and version "9" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008" | - | sp2 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | - | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1607 Search vendor "Microsoft" for product "Windows 10" and version "1607" | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1709 Search vendor "Microsoft" for product "Windows 10" and version "1709" | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1803 Search vendor "Microsoft" for product "Windows 10" and version "1803" | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1809 Search vendor "Microsoft" for product "Windows 10" and version "1809" | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1903 Search vendor "Microsoft" for product "Windows 10" and version "1903" | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 10 Search vendor "Microsoft" for product "Windows 10" | 1909 Search vendor "Microsoft" for product "Windows 10" and version "1909" | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 7 Search vendor "Microsoft" for product "Windows 7" | - | sp1 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 8.1 Search vendor "Microsoft" for product "Windows 8.1" | - | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Rt 8.1 Search vendor "Microsoft" for product "Windows Rt 8.1" | - | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008" | r2 Search vendor "Microsoft" for product "Windows Server 2008" and version "r2" | sp1, x64 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2012 Search vendor "Microsoft" for product "Windows Server 2012" | - | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2012 Search vendor "Microsoft" for product "Windows Server 2012" | r2 Search vendor "Microsoft" for product "Windows Server 2012" and version "r2" | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2016 Search vendor "Microsoft" for product "Windows Server 2016" | - | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 11 Search vendor "Microsoft" for product "Internet Explorer" and version "11" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2019 Search vendor "Microsoft" for product "Windows Server 2019" | - | - |
Safe
|