Remote Code Execution Vulnerability in Microsoft Windows Credential Security Support Protocol
CVE-2018-0886

7HIGH

Key Information:

Vendor
Microsoft
Status
Windows
Vendor
CVE Published:
14 March 2018

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 90%

Summary

The Credential Security Support Provider protocol (CredSSP) in various versions of Microsoft Windows allows remote code execution due to improper validation of requests during the authentication process. An attacker can exploit this vulnerability to execute arbitrary code on the system, potentially gaining unauthorized access and control over affected machines, leading to further system compromise.

Affected Version(s)

Windows Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and 1709 Windows Server 2016 and Windows Server, version 1709

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.

credssp
Created by preempt

References

http://www.securitytracker.com/id/1040506
vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/103265
vdb-entryx_refsource_BID
https://ics-cert.us-cert.gov/advisories/ICSA-18-198-03
x_refsource_MISC

EPSS Score

90% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.