Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2022-41080

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Exchange Server 2016 Cumulative Update 23
Microsoft Exchange Server 2019 Cumulative Update 12
Microsoft Exchange Server 2013 Cumulative Update 23
Microsoft Exchange Server 2019 Cumulative Update 11
Vendor
CVE Published:
9 November 2022

Badges

💰 Ransomware👾 Exploit Exists🟡 Public PoC🟣 EPSS 93%🦅 CISA Reported

What is CVE-2022-41080?

Microsoft Exchange Server Elevation of Privilege Vulnerability

CISA has reported CVE-2022-41080

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2022-41080 as being exploited and is known by the CISA as enabling ransomware campaigns.

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

Microsoft Exchange Server 2013 Cumulative Update 23 x64-based Systems 15.00.0 < 15.00.1497.044

Microsoft Exchange Server 2016 Cumulative Update 22 x64-based Systems 15.0.0 < 15.01.2375.037

Microsoft Exchange Server 2016 Cumulative Update 23 x64-based Systems 15.01.0 < 15.01.2507.016

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-2022-41080
Created by ohnonoyesyes

References

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

EPSS Score

93% 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

  • 💰

    Used in Ransomware

  • 🦅

    CISA Reported

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.