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CVE-2020-1472

Public on 2020-08-17
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
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CVSS v3 Base Score
9.8
See breakdown
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Affected Packages

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

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