Cyber Resilience

CVE-2021-34470

HighPublic PoC

Published: 14 July 2021

Published
14 July 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 8.0 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0373 88.3th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-34470 is a high-severity an unspecified weakness vulnerability in Microsoft Exchange Server. Its CVSS base score is 8.0 (High).

Operationally, ranked in the top 11.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Microsoft Exchange Server Elevation of Privilege Vulnerability

CWE(s)
NVD-CWE-noinfo

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.

References