vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2020-15931

HIGH
7.5
CVSS Score
Published: October 20, 2020 at 07:23 PM UTC
Updated: June 17, 2026 at 02:57 AM UTC
1 product affected across 1 vendorAccount Lockout Examiner

Using N/A by N/A?

Get instant alerts when new vulnerabilities affect N/A - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH7.5
Exploit prediction
EPSS 4%

Description

Netwrix Account Lockout Examiner before 5.1 allows remote attackers to capture the Net-NTLMv1/v2 authentication challenge hash of the Domain Administrator (that is configured within the product in its installation state) by generating a single Kerberos Pre-Authentication Failed (ID 4771) event on a Domain Controller.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Account Lockout Examiner· Netwrix
95%
v < 5.1
Affected range stops below 5.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.netwrix.com/netwrix_reports_vulnerability_in_netwrix_account_lockout_examiner_4_1.html
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.optiv.com/explore-optiv-insights/source-zero/netwrix-account-lockout-examiner-41-disclosure-vulnerability

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-200

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card