CVE-2021-34523

Microsoft Exchange Server Elevation of Privilege Vulnerability

CVSS v3 vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Weaknesses (CWE)

NVD-CWE-noinfo

Threats tracking this CVE

• UAT-8099 (China) BadIIS Malware Campaign Targeting IIS Servers for SEO Fraud — HIGH

References

• http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34523
• https://www.zerodayinitiative.com/advisories/ZDI-21-822/
• http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34523
• https://www.zerodayinitiative.com/advisories/ZDI-21-822/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-34523

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