CVE-2021-26427

Severity

96%

Complexity

27%

Confidentiality

100%

Microsoft Exchange Server Remote Code Execution Vulnerability

CVSS 3.1 Base Score 9.6. CVSS Attack Vector: adjacent_network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).

CVSS 2.0 Base Score 5.8. CVSS Attack Vector: adjacent_network. CVSS Attack Complexity: low. CVSS Vector: (AV:A/AC:L/Au:N/C:P/I:P/A:P).

Overview

First reported 3 years ago

2021-10-13 01:15:00

Last updated 3 years ago

2021-10-19 23:09:00

Affected Software

Microsoft Exchange Server 2013 Cumulative Update 23

2013

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26427

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26427

Patch, Vendor Advisory

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