CVE-2020-1122 : An elevation of privilege vulnerability exists when the Windows Language Pack

An elevation of privilege vulnerability exists when the Windows Language Pack Installer improperly handles file operations. An attacker who successfully exploited this vulnerability could run processes in an elevated context. An attacker could exploit this vulnerability by running a specially crafted application on the victim system. The update addresses the vulnerability by correcting the way the Windows Language Pack Installer handles file operations.

Published 2020-09-11 17:15:19

Updated 2023-12-31 22:15:57

Source Microsoft Corporation

View at NVD, CVE.org

Vulnerability category: Gain privilege

Products affected by CVE-2020-1122

Microsoft » Windows 10 » Version: 1803
cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 10 » Version: 1809
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 10 » Version: 1903
cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 10 » Version: 1909
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows 10 » Version: 2004
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2016 » Version: 1903
cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2016 » Version: 1909
cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2016 » Version: 2004
cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
Matching versions
Microsoft » Windows Server 2019 » Version: N/A
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-1122

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 7 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-1122

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.6	MEDIUM	AV:L/AC:L/Au:N/C:P/I:P/A:P	3.9	6.4	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	1.8	3.6	Microsoft Corporation
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2020-1122

CWE-754 Improper Check for Unusual or Exceptional Conditions

The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-1122

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1122

CVE-2020-1122 | Windows Language Pack Installer Elevation of Privilege Vulnerability
Patch;Vendor Advisory

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Vulnerability Details : CVE-2020-1122

Products affected by CVE-2020-1122

Exploit prediction scoring system (EPSS) score for CVE-2020-1122

CVSS scores for CVE-2020-1122

CWE ids for CVE-2020-1122

References for CVE-2020-1122