High severity · published Oct 20, 2020
CVE-2020-15931
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…
7.5
CVSS
3.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.7% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AL
Account Lockout Examiner · Netwrix
before 5.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15931
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-15931
Vendor Advisory
https://www.netwrix.com/netwrix_reports_vulnerability_in_netwrix_account_lockout_examiner_4_1.html
Third Party Advisory
https://www.optiv.com/explore-optiv-insights/source-zero/netwrix-account-lockout-examiner-41-disclosure-vulnerability