Attacker Value
High
CVE-2021-33766 ProxyToken
Attacker Value
High
(1 user assessed)
Exploitability
Very High
(1 user assessed)User Interaction
Unknown
Privileges Required
Unknown
Attack Vector
Unknown
CVE-2021-33766 ProxyToken
(Last updated November 28, 2024) ▾
MITRE ATT&CK
Log in to add MITRE ATT&CK tag
Add MITRE ATT&CK tactics and techniques that apply to this CVE.
Add Assessment
3
Technical Analysis
An unauthenticated actor can perform configuration actions on mailboxes belonging to arbitrary users. Which can be used to copy all emails addressed to a target and account and forward them to an account controlled by the threat actor.
CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
None
Impact Score:
Unknown
Exploitability Score:
Unknown
Attack Vector (AV):
Unknown
Attack Complexity (AC):
Unknown
Privileges Required (PR):
Unknown
User Interaction (UI):
Unknown
Scope (S):
Unknown
Confidentiality (C):
Unknown
Integrity (I):
Unknown
Availability (A):
Unknown
General Information
Vendors
- microsoft
Products
- exchange server 2013,
- exchange server 2016,
- exchange server 2019
Exploited in the Wild
