CVE-2021-31195

MEDIUM NUCLEI

Microsoft Exchange Server - Authentication Bypass by Spoofing

Title source: rule

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

Nuclei Templates (1)

Microsoft Exchange Server - Cross-Site Scripting
MEDIUMby infosecsanyam
Shodan: http.title:"Outlook" || http.favicon.hash:1768726119 || http.title:"outlook" || cpe:"cpe:2.3:a:microsoft:exchange_server"
FOFA: title="outlook" || icon_hash=1768726119

Scores

CVSS v3 6.5
EPSS 0.7761
EPSS Percentile 99.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Details

CWE
CWE-290
Status published
Products (3)
microsoft/exchange_server 2013 cumulative_update_23
microsoft/exchange_server 2016 cumulative_update_19 (2 CPE variants)
microsoft/exchange_server 2019 cumulative_update_8 (2 CPE variants)
Published May 11, 2021
Tracked Since Feb 18, 2026