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MicrosoftMS:CVE-2021-34523HistoryJul 13, 2021 - 7:00 a.m.
Microsoft Exchange Server Elevation of Privilege Vulnerability
2021-07-1307:00:00
Microsoft
msrc.microsoft.com
60
exchange server privilege vulnerability
CVSS2
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
9
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
AI Score
9.3
Confidence
High
EPSS
0.81
Percentile
98.4%
Affected configurations
Node
microsoftexchange_serverRange<15.02.0792.013cumulative_update_8
ORmicrosoftexchange_serverRange<15.01.2176.012cumulative_update_19
ORmicrosoftexchange_serverRange<15.01.2242.008cumulative_update_20
ORmicrosoftexchange_serverRange<15.02.0858.010cumulative_update_9
ORmicrosoftexchange_serverRange<15.00.1497.015cumulative_update_23
| Vendor | Product | Version | CPE |
|---|---|---|---|
| microsoft | exchange_server | * | cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_8:*:*:*:*:*:* |
| microsoft | exchange_server | * | cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_19:*:*:*:*:*:* |
| microsoft | exchange_server | * | cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_20:*:*:*:*:*:* |
| microsoft | exchange_server | * | cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_9:*:*:*:*:*:* |
| microsoft | exchange_server | * | cpe:2.3:a:microsoft:exchange_server:*:cumulative_update_23:*:*:*:*:*:* |
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CVSS2
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
9
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
AI Score
9.3
Confidence
High
EPSS
0.81
Percentile
98.4%
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