Critical severity · published Feb 13, 2024
CVE-2024-21410
Microsoft Exchange Server Elevation of Privilege Vulnerability
In wildKEV
9.8
CVSS
12.7%
EPSS
Yes
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)12.7% · higher than 96% of CVEs
Exploited in the wildYes
CISA KEVListed Feb 15, 2024
Federal remediation dueMar 7, 2024
Ransomware campaign useNot known
Affected products
Which versions
ES
Exchange Server · Microsoft
2016; 2019; 2019 · source: NVD, KEV
ME
Microsoft Exchange Server 2016 Cumulative Update 23 · Microsoft
15.01.0 before 15.01.2507.037 · source: vendor
ME
Microsoft Exchange Server 2019 Cumulative Update 13 · Microsoft
15.02.0 before 15.2.1544.004 · source: vendor
ME
Microsoft Exchange Server 2019 Cumulative Update 14 · Microsoft
15.02.0 before 15.2.1544.004 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-21410
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-21410
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21410
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