CVE-2021-28481: critical vulnerability in Microsoft Exchange Server 2013 Cumulative…
Microsoft Exchange Server Remote Code Execution Vulnerability
Published · Updated
77Vexday Risk Score
Patch now. It exploitation observed by VulnCheck and has a working public exploit.
ssvc Actcvss 9.8epss 36%
from disclosure to weapon
Published on NVDApr 13
VulnCheck+1199d
exploitation probability
36%top 2% of all CVEs
observed exploitation
yesVulnCheck
Microsoft Exchange Server Remote Code Execution Vulnerability
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft Exchange Server 2013 Cumulative Update 23Microsoft · Microsoft Exchange Server 2016 Cumulative Update 19Microsoft · Microsoft Exchange Server 2016 Cumulative Update 20Microsoft · Microsoft Exchange Server 2019 Cumulative Update 8Microsoft · Microsoft Exchange Server 2019 Cumulative Update 9Related CVEs — Microsoft Exchange Server 2013 Cumulative…
In the same product, most dangerous first.
CVE-2021-34473CRITICALMicrosoft Exchange Server Remote Code Execution VulnerabilityEPSS 100.0%KEVCVE-2021-26855CRITICALMicrosoft Exchange Server Remote Code Execution VulnerabilityEPSS 100.0%KEVCVE-2021-34523CRITICALMicrosoft Exchange Server Elevation of Privilege VulnerabilityEPSS 100.0%KEVCVE-2022-41082HIGHMicrosoft Exchange Server Remote Code Execution VulnerabilityEPSS 100.0%KEVCVE-2022-41040HIGHMicrosoft Exchange Server Elevation of Privilege VulnerabilityEPSS 100.0%KEVCVE-2021-27065HIGHMicrosoft Exchange Server Remote Code Execution VulnerabilityEPSS 99.9%KEV