CVE-2021-43892

—

CVSS 3.1

7.4 high

EPSS

3%p86

Published

Dec 15, 2021 (Dec 15, 2021)

Modified

Jun 17, 2026

Description

Microsoft BizTalk ESB Toolkit Spoofing Vulnerability

Vendors: microsoft
Products: biztalk esb toolkit
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (2.9%)

In the news1 stories

Microsoft December 2021 Patch Tuesday fixes an actively exploited zero

Security AffairsDec 15, 15:08 UTC · Dec 15, 2021Vulnerability in the wildCVE-2021-43890 CVE-2021-43240 CVE-2021-41333+54 CVEs

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