CVE-2020-1472

Public on 2021-01-05
Modified on 2021-06-22
Description
A flaw was found in the Microsoft Windows Netlogon Remote Protocol (MS-NRPC), where it reuses a known, static, zero-value initialization vector (IV) in AES-CFB8 mode. This flaw allows an unauthenticated attacker to impersonate a domain-joined computer, including a domain controller, and possibly obtain domain administrator privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Severity
Critical
CVSS v3 Base Score
9.8
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 samba 2021-06-16 20:36 ALAS2-2021-1649
Amazon Linux 2 samba 2021-01-05 23:34 ALAS2-2021-1585
Amazon Linux 2 samba 2021-06-16 20:36 ALAS2-2021-1649
Amazon Linux 2 samba 2021-01-05 23:34 ALAS2-2021-1585
Amazon Linux 1 samba 2021-01-12 22:51 ALAS-2021-1469

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C
NVD CVSSv3 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H