CVE-2021-26427critical
New! CVE Severity Now Using CVSS v3
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Description
Microsoft Exchange Server Remote Code Execution Vulnerability
References
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26427
Details
Source: MITRE
Published: 2021-10-13
Updated: 2021-10-19
Type: NVD-CWE-noinfo
Risk Information
CVSS v2
Base Score: 5.8
Vector: AV:A/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 6.5
Severity: MEDIUM
CVSS v3
Base Score: 9.6
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Impact Score: 6
Exploitability Score: 2.8
Severity: CRITICAL
Vulnerable Software
Configuration 1
OR
cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11:*:*:*:*:*:*
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 154175 | Security Updates for Exchange (October 2021) | Nessus | Windows : Microsoft Bulletins | critical |