CVE-2021-34470

HIGH EXPLOITED

Microsoft Exchange Server - Privilege Escalation

Title source: llm

Description

Microsoft Exchange Server Elevation of Privilege Vulnerability

Exploits (2)

nomisec SCANNER 2 stars
by technion · infoleak
https://github.com/technion/CVE-2021-34470scanner
patchapalooza WORKING POC
by tmenochet · remote-auth
https://github.com/tmenochet/ADTamper

Scores

CVSS v3 8.0
EPSS 0.0472
EPSS Percentile 89.4%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

VulnCheck KEV 2022-09-14
Status published
Products (3)
microsoft/exchange_server 2013 cumulative_update_23
microsoft/exchange_server 2016 cumulative_update_21
microsoft/exchange_server 2019 cumulative_update_10
Published Jul 14, 2021
Tracked Since Feb 18, 2026