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Microsoft Exchange ServerMicrosoft Exchange Server Remote Code Execution Vulnerability

Risk 100
Severity
9.8
Exploited
Zeroday
SSRF
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution.

1 / 3
Source: CISA
First published (updated )
CVE-2021-34473

Microsoft Exchange ServerMicrosoft Exchange Server Information Disclosure

Risk 65
Severity
7.5
Exploited
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Microsoft Exchange Information Disclosure Vulnerability

1 / 3
First published (updated )
CVE-2021-33766

Microsoft Exchange ServerMicrosoft Exchange Server Privilege Escalation Vulnerability

Risk 99
Severity
9.8
Exploited
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation.

1 / 3
Source: CISA
First published (updated )
CVE-2021-34523

Microsoft Exchange Server 2016Microsoft Exchange Server Security Feature Bypass Vulnerability

Risk 86
Severity
7.2
Exploited
Malicious File Upload
AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Microsoft Exchange Server contains an unspecified vulnerability that allows for security feature bypass.

1 / 2
Source: CISA
First published (updated )
CVE-2021-31207

Microsoft Exchange ServerMicrosoft Exchange Server Remote Code Execution Vulnerability

Risk 72
Severity
9.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-26412, CVE-2021-26854, CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, CVE-2021-27065.

1 / 2
First published (updated )
CVE-2021-27078

Microsoft Exchange ServerMicrosoft Exchange Server Remote Code Execution Vulnerability

Risk 72
Severity
9.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-26854, CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, CVE-2021-27065, CVE-2021-27078.

1 / 2
First published (updated )
CVE-2021-26412

Microsoft Exchange ServerMicrosoft Exchange Server Remote Code Execution Vulnerability

Risk 66
Severity
7.2
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-26412, CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, CVE-2021-27065, CVE-2021-27078.

1 / 2
First published (updated )
CVE-2021-26854

Microsoft Exchange ServerMicrosoft Exchange Server Remote Code Execution Vulnerability

Risk 99
Severity
9.8
Exploited
SSRF
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.

1 / 3
Source: CISA
First published (updated )
CVE-2021-26855

Microsoft Exchange ServerMicrosoft Exchange Server Remote Code Execution Vulnerability

Risk 89
Severity
7.8
Exploited
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.

1 / 3
Source: CISA
First published (updated )
CVE-2021-26858

Microsoft Exchange ServerMicrosoft Exchange Server Remote Code Execution Vulnerability

Risk 90
Severity
7.8
Exploited
Path Traversal
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.

1 / 3
Source: CISA
First published (updated )
CVE-2021-27065

Microsoft Exchange ServerMicrosoft Exchange Server Remote Code Execution Vulnerability

Risk 89
Severity
7.8
Exploited
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.

1 / 3
Source: CISA
First published (updated )
CVE-2021-26857

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