Name: CVE-2021-31207: Unrestricted Upload of File with Dangerous Type
Published: 2021-05-11T00:00:00.000Z
Keywords: CVE, CVE-2021-31207, CWE-20, CWE-434, Exploited in the Wild, CISA KEV Exploit, Rapid7 Critical, Metasploit Module, Used with Ransomware, CVSS 6.6, EPSS 0.99782, CISA KEV

Microsoft Exchange Server Security Feature Bypass Vulnerability

CVSS Details

CVSS 3.1 Base Score: 6.6
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Microsoft Exchange	View advisory ↗View advisory ↗	microsoft-exchange-exchange_server_2016_CU19-kb5003435microsoft-exchange-exchange_server_2016_CU20-kb5003435microsoft-exchange-exchange_server_2019_CU8-kb5003435microsoft-exchange-exchange_server_2019_CU9-kb5003435	Aug 10, 2023	May 11, 2021
Msft	—	msft-kb5003435-ddadd099-4245-4d6a-8f59-9a496abe96d3	May 11, 2021	May 11, 2021

Prioritise with Active Threat Intelligence

With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.

Explore Intelligence Hub