Remote Authentication Flaw in Netwrix Account Lockout Examiner
CVE-2020-15931

7.5HIGH

Key Information:

Vendor

Netwrix

Status
Account Lockout Examiner
Vendor
CVE Published:
20 October 2020

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-15931?

A vulnerability in Netwrix Account Lockout Examiner versions prior to 5.1 allows remote attackers to capture the Net-NTLMv1/v2 authentication challenge hash of the Domain Administrator configured in the product. By triggering a Kerberos Pre-Authentication Failed event on a Domain Controller, unauthorized users can potentially exploit this weakness to gain sensitive authentication data, posing a risk to the security of IT environments.

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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-2020-15931
Created by optiv

References

https://www.optiv.com/explore-optiv-insights/source-zero/...
x_refsource_MISC
https://www.netwrix.com/netwrix_reports_vulnerability_in_...
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EPSS Score

6% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

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