Microsoft Exchange Remote Code Execution Vulnerability
CVE-2020-17144

8.4HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31
Vendor
CVE Published:
10 December 2020

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 92%🦅 CISA Reported

What is CVE-2020-17144?

Microsoft Exchange Remote Code Execution Vulnerability

CISA has reported CVE-2020-17144

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-2020-17144 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

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

Affected Version(s)

Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31 Unknown 0

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-2020-17144
Created by zcgonvh

CVE-2020-17144-EXP
Created by Airboi

References

https://portal.msrc.microsoft.com/en-US/security-guidance...
x_refsource_MISC

EPSS Score

92% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • 🦅

    CISA Reported

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

.