Vulnerability Details : CVE-2021-28483

Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-28480, CVE-2021-28481, CVE-2021-28482.

Vulnerability category: Execute code

Published 2021-04-13 20:15:22

Updated 2021-04-14 13:01:40

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-28483

Probability of exploitation activity in the next 30 days: 0.31%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 66 % EPSS Score History EPSS FAQ

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
7.7	HIGH	AV:A/AC:L/Au:S/C:C/I:C/A:C	5.1	10.0	[email protected]
Access Vector: Adjacent Network Access Complexity: Low Authentication: Single Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
9.0	CRITICAL	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	2.3	6.0	[email protected]
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Changed Confidentiality: High Integrity: High Availability: High

Microsoft » Exchange Server » Version: 2013 Update Cumulative Update 23
cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
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Microsoft » Exchange Server » Version: 2016 Update Cumulative Update 19
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2019 Update Cumulative Update 8
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2016 Update Cumulative Update 20
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2019 Update Cumulative Update 9
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*
Matching versions