CVE-2021-28480
Critical
Published: 13 April 2021
Published
13 April 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.8714
99.5th percentile
Risk Priority
72
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-28480 is a critical-severity an unspecified weakness vulnerability in Microsoft Exchange Server. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 0.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-15158
Vulnerability details
Microsoft Exchange Server Remote Code Execution Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
microsoft
exchange server
2013, 2016, 2019
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.