CVE-2021-34470: high-severity vulnerability in Microsoft Exchange Server 2013 Cumulative…
Microsoft Exchange Server Elevation of Privilege Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
63Vexday Risk Score
Prioritize patching. It exploitation observed in the wild and has a public proof of concept.
ssvc Actcvss 8epss 4.4%
from disclosure to weapon15 days
Published on NVDJul 14
1st PoC+15d
Observed exploitation+427d
Microsoft Exchange Server Elevation of Privilege Vulnerability
CVSS:3.1/AV:A/AC:L/PR:L/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 21Microsoft · Microsoft Exchange Server 2019 Cumulative Update 10Related 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