CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
99.3%
Multiple vulnerabilities were found in Microsoft Exchange Server. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service.
Below is a complete list of vulnerabilities:
Public exploits exist for this vulnerability.
Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.
CVE-2017-8542 high
CVE-2017-8541 critical
CVE-2017-8540 critical
CVE-2017-8539 high
CVE-2017-8538 critical
CVE-2017-8537 high
CVE-2017-8536 high
CVE-2017-8535 high
Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)
Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.
Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.
portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2017-8535
portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2017-8536
portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2017-8537
portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2017-8538
portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2017-8539
portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2017-8540
portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2017-8541
portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2017-8542
statistics.securelist.com/
threats.kaspersky.com/en/class/Exploit/
threats.kaspersky.com/en/product/Microsoft-Exchange-Server/
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
99.3%