CVE-2021-42295 : Visual Basic for Applications Information Disclosure Vulnerability

Visual Basic for Applications Information Disclosure Vulnerability

Published 2021-12-15 15:15:09

Updated 2022-02-10 15:23:12

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2021-42295

Microsoft » Office » Version: 2013 Update SP1 RT Edition
cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:*
Matching versions
Microsoft » Office » Version: 2013 Update SP1 For X86
cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:x86:*
Matching versions
Microsoft » Office » Version: 2016 For X64
cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x64:*
Matching versions
Microsoft » Office » Version: 2016 For X86
cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x86:*
Matching versions
Microsoft » Office » Version: 2013 Update SP1 For X64
cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:x64:*
Matching versions
Microsoft » Office » Version: 2019 For X64
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:*
Matching versions
Microsoft » Office » Version: 2019 For X86
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:*
Matching versions
Microsoft » Office » Version: 2021 Ltsc Edition For X64
cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:x64:*
Matching versions
Microsoft » Office » Version: 2021 Ltsc Edition For X86
cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:x86:*
Matching versions
Microsoft » 365 Apps » Version: N/A Enterprise Edition For X64
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
Matching versions
Microsoft » 365 Apps » Version: N/A Enterprise Edition For X86
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
Matching versions

EPSS FAQ

1.84%

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

~ 82 %

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

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:P/I:N/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: None Availability: None
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N	1.8	3.6	Microsoft Corporation
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE-668 Exposure of Resource to Wrong Sphere

The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.

Assigned by: nvd@nist.gov (Primary)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42295

CVE-2021-42295 - Security Update Guide - Microsoft - Visual Basic for Applications Information Disclosure Vulnerability
Patch;Vendor Advisory

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