CVE-2021-43892
HIGHCVSS 7.4/10EPSS 2.85%
Last modified
CVE-2021-43892 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. Microsoft BizTalk ESB Toolkit Spoofing Vulnerability. EPSS estimates a 2.85% chance of exploitation in the next 30 days.
Description
Microsoft BizTalk ESB Toolkit Spoofing Vulnerability
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Biztalk Esb Toolkit | 2.2 |
| Microsoft | Biztalk Esb Toolkit | 2.3 |
| Microsoft | Biztalk Esb Toolkit | 2.4 |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43892Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43892Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-43892?
Microsoft BizTalk ESB Toolkit Spoofing Vulnerability
How severe is CVE-2021-43892?
CVE-2021-43892 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 2.85% probability of exploitation in the next 30 days.
How do I fix CVE-2021-43892?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-43883Windows Installer Elevation of Privilege Vulnerability7.8
- CVE-2021-43888Microsoft Defender for IoT Information Disclosure Vulnerabil…7.5
- CVE-2021-43889Microsoft Defender for IoT Remote Code Execution Vulnerabili…7.2
- CVE-2021-4389The WP Travel plugin for WordPress is vulnerable to Cross-Si…4.3
- CVE-2021-43890We have investigated reports of a spoofing vulnerability in …7.1
- CVE-2021-43891Visual Studio Code Remote Code Execution Vulnerability7.8
- CVE-2021-43893Windows Encrypting File System (EFS) Elevation of Privilege …7.5
- CVE-2021-43896Microsoft PowerShell Spoofing Vulnerability5.5
- CVE-2021-43899Microsoft 4K Wireless Display Adapter Remote Code Execution …9.8
- CVE-2021-4390The Contact Form 7 Style plugin for WordPress is vulnerable …4.3
- CVE-2021-43905Microsoft Office app Remote Code Execution Vulnerability9.6
- CVE-2021-43907Visual Studio Code WSL Extension Remote Code Execution Vulne…9.8
Are you affected by CVE-2021-43892?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST