PT-2020-3051 · Microsoft · .Net Framework

Cbwang505 + 1 · Published 2020-05-12 · Updated 2025-12-09 · CVE-2020-1066

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Microsoft .NET Framework (affected versions not specified)

Description The issue is related to insufficient access restrictions in the Microsoft .NET Framework, allowing a remote attacker to elevate their privileges. To exploit this, an attacker must first access the local machine and then run a malicious program. The vulnerability is addressed by correcting how .NET Framework activates COM objects.

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

Exploit

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

BDU:2020-03341

CVE-2020-1066

Affected Products

.Net Framework

References · 8

• 🔥 https://github.com/cbwang505/CVE-2020-1066-EXP · Exploit
• https://bdu.fstec.ru/vul/2020-03341 · Security Note
• https://osv.dev/vulnerability/CVE-2020-1066 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-1066 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1066 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1066 · Security Note
• https://t.me/aptreports/24372 · Telegram Post
• https://t.me/freedomf0x/8166 · Telegram Post