PT-2020-1620 · Microsoft · Active Directory+1

Dirkjan · Published 2020-02-11 · Updated 2021-07-21 · CVE-2020-0665

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Active Directory (affected versions not specified)

Description The issue is related to an elevation of privilege vulnerability in Active Directory Forest trusts. This vulnerability is due to a default setting that allows an attacker in the trusting forest to request delegation of a TGT for an identity from the trusted forest. The vulnerability can be exploited by a remote attacker to elevate their privileges. Technical details include the bypassing of the SID filtering mechanism, which can lead to the compromise of hosts in transitively trusted forests.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

BDU:2020-00825

CVE-2020-0665

Affected Products

Active Directory

Windows

References · 7

• https://osv.dev/vulnerability/CVE-2020-0665 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-0665 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-00825 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0665 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-0665 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-0665 · Security Note
• https://t.me/ptswarm/46 · Telegram Post