Description
Microsoft Exchange Server Remote Code Execution Vulnerability
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
E
F
RL
O
RC
Changed
Affected products
- Microsoft / exchange_server2016 – 2016
- Microsoft / exchange_server2019 – 2019
- Microsoft / exchange_server2019 – 2019
- Microsoft / exchange_server2013 – 2013
- Microsoft / exchange_server2019 – 2019
- Microsoft / exchange_server2016 – 2016
- Microsoft / exchange_server2013 – 2013
- Microsoft / exchange_server2019 – 2019
- Microsoft / exchange_server2016 – 2016
- Microsoft / exchange_server2019 – 2019
- Microsoft / exchange_server2016 – 2016
- Microsoft / exchange_server2019 – 2019
- Microsoft / exchange_server2019 – 2019
- Microsoft / exchange_server2016 – 2016
- Microsoft / exchange_server2016 – 2016
- Microsoft / exchange_server2019 – 2019
- Microsoft / exchange_server2016 – 2016
- Microsoft / exchange_server2013 – 2013
- Microsoft / exchange_server2016 – 2016
- Microsoft / exchange_server2016 – 2016
- Microsoft / exchange_server2019 – 2019
- Microsoft / exchange_server2016 – 2016
- Microsoft / exchange_server2016 – 2016
- Microsoft / exchange_server2016 – 2016
Exploits & PoCs
- nucleiMicrosoft Exchange Server SSRF Vulnerabilityby madrobot
References
- VENDOR_ADVISORYhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26855
- EXPLOIThttp://packetstormsecurity.com/files/161846/Microsoft-Exchange-2019-SSRF-Arbitrary-File-Write.html
- EXPLOIThttp://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.html
- EXPLOIThttp://packetstormsecurity.com/files/162610/Microsoft-Exchange-2019-Unauthenticated-Email-Download.html
- EXPLOIThttp://packetstormsecurity.com/files/162736/Microsoft-Exchange-ProxyLogon-Collector.html