High severity · published Dec 9, 2020
CVE-2020-17144
Microsoft Exchange Remote Code Execution Vulnerability
In wildKEV
8.4
CVSS
36.5%
EPSS
Yes
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)36.5% · higher than 98% of CVEs
Exploited in the wildYes
CISA KEVListed Nov 3, 2021
Federal remediation dueMay 3, 2022
Ransomware campaign useNot known
Affected products
Which versions
ES
Exchange Server · Microsoft
2010 · source: NVD, KEV
ME
Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31 · Microsoft
before publication · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-17144
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-17144
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17144
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