Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2022-23277

8.8HIGH

Key Information:

Vendor
Microsoft
Status
Microsoft Exchange Server 2013 Cumulative Update 23
Microsoft Exchange Server 2016 Cumulative Update 21
Microsoft Exchange Server 2019 Cumulative Update 10
Microsoft Exchange Server 2016 Cumulative Update 22
Vendor
CVE Published:
9 March 2022

Badges

👾 Exploit Exists🟡 Public PoC

Summary

Microsoft Exchange Server Remote Code Execution Vulnerability

Affected Version(s)

Microsoft Exchange Server 2013 Cumulative Update 23 x64-based Systems 15.00.0 < 15.00.1497.033

Microsoft Exchange Server 2016 Cumulative Update 21 x64-based Systems 15.01.0 < 15.01.2308.027

Microsoft Exchange Server 2016 Cumulative Update 22 x64-based Systems 15.0.0 < 15.01.2375.024

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2022-23277
Created by 7BitsTeam

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

EPSS Score

1% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database1 Proof of Concept(s)
.