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mscveMicrosoftMS:CVE-2021-43893
HistoryDec 14, 2021 - 8:00 a.m.

Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability

2021-12-1408:00:00
Microsoft
msrc.microsoft.com
33

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

7.7 High

AI Score

Confidence

High

6 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

47.6%

JSON

Related

rapid7blog 6
prion 1
cve 1
thn 1
mskb 15
nessus 11
threatpost 1
openvas 7
kaspersky 2
rapid7blog
rapid7blog
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2022-03-21 14:32:42
InsightVM Scan Engine: Understanding MAC Address Discovery
2022-03-07 16:53:44
Analyzing the Attack Landscape: Rapid7’s 2021 Vulnerability Intelligence Report
2022-03-28 12:30:00
prion
prion
Privilege escalation
2021-12-15 15:15:00
cve
cve
CVE-2021-43893
2021-12-15 15:15:00
thn
thn
Microsoft Issues Windows Update to Patch 0-Day Used to Spread Emotet Malware
2021-12-15 07:14:00
mskb
mskb
December 14, 2021—KB5008271 (Security-only update)
2021-12-14 08:00:00
December 14, 2021—KB5008274 (Monthly Rollup)
2021-12-14 08:00:00
December 14, 2021—KB5008244 (Monthly Rollup)
2021-12-14 08:00:00
nessus
nessus
KB5008271: Windows Server 2008 Security Update (December 2021)
2021-12-14 00:00:00
KB5008282: Windows 7 and Windows Server 2008 R2 Security Update (December 2021)
2021-12-14 00:00:00
KB5008285: Windows 8.1 and Windows Server 2012 R2 Security Update (December 2021)
2021-12-14 00:00:00
threatpost
threatpost
Actively Exploited Microsoft Zero-Day Allows App Spoofing, Malware Delivery
2021-12-14 22:21:35
openvas
openvas
Microsoft Windows Multiple Vulnerabilities (KB5008244)
2021-12-15 00:00:00
Microsoft Windows Multiple Vulnerabilities (KB5008230)
2021-12-15 00:00:00
Microsoft Windows Multiple Vulnerabilities (KB5008263)
2021-12-15 00:00:00
kaspersky
kaspersky
KLA12388 Multiple vulnerabilities in Microsoft Products (ESU)
2021-12-14 00:00:00
KLA12387 Multiple vulnerabilities in Microsoft Windows
2021-12-14 00:00:00

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

7.7 High

AI Score

Confidence

High

6 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

47.6%

JSON
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