⚠ Actively exploited
Added to CISA KEV on 2021-11-03. Federal agencies required to patch by 2022-05-03. Required action: Apply updates per vendor instructions..

CVE-2020-0683 — Link Following in Microsoft Windows

CWE-59 — Link FollowingCWE-269 — Improper Privilege Management14 documents10 sources
Severity
7.8HIGHNVD
EPSS
34.5%
top 3.00%
CISA KEV
KEV
Added 2021-11-03
Due 2022-05-03
Exploit
Exploited in wild
Active exploitation observed
Affected products
12
Microsoft WindowsMicrosoft Windows 10 Version 1903 FOR 32-bit SystemsMicrosoft Windows 10 Version 1903 FOR Arm64-based Systems+9 more
Timeline
PublishedFeb 11
KEV addedNov 3
KEV dueMay 3
Latest updateMay 24
CISA Required Action: Apply updates per vendor instructions.

Description

An elevation of privilege vulnerability exists in the Windows Installer when MSI packages process symbolic links, aka 'Windows Installer Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0686.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages10 packages

▶CVEListV5microsoft/windows18 versions+17
▶NVDmicrosoft/windows4 versions+3
▶NVDmicrosoft/windows_106 versions+5
▶CVEListV5microsoft/windows_server17 versions+16

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

5
GHSA
GHSA-h9c6-h3q2-gq6x: An elevation of privilege vulnerability exists in the Windows Installer when MSI packages process symbolic links, aka 'Windows Installer Elevation of↗2022-05-24
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GHSA
GHSA-8jhh-cxcx-frp9: An elevation of privilege vulnerability exists in the Windows Installer when MSI packages process symbolic links, aka 'Windows Installer Elevation of↗2022-05-24
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CVEList
CVE-2020-0683: An elevation of privilege vulnerability exists in the Windows Installer when MSI packages process symbolic links, aka 'Windows Installer Elevation of↗2020-02-11
▶
CVEList
CVE-2020-0686: An elevation of privilege vulnerability exists in the Windows Installer when MSI packages process symbolic links, aka 'Windows Installer Elevation of↗2020-02-11
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VulnCheck
Microsoft Windows Installer Privilege Escalation Vulnerability↗2020
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💥Exploits & PoCs

1
Exploit-DB
MSI Packages Symbolic Links Processing - Windows 10 Privilege Escalation↗2020-02-17
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📋Vendor Advisories

2
CISA
Microsoft Windows Installer Privilege Escalation Vulnerability↗2021-11-03
▶
Microsoft
Windows Installer Elevation of Privilege Vulnerability↗2020-02-11
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🕵️Threat Intelligence

4
Qualys
Managing CISA Known Exploited Vulnerabilities with Qualys VMDR | Qualys↗2022-02-23
▶
Tenable
Microsoft’s February 2020 Patch Tuesday Addresses 99 CVEs Including Internet Explorer Zero-Day (CVE-2020-0674)↗2020-02-11
▶
Talos
Microsoft Patch Tuesday — Feb. 2020: Vulnerability disclosures and Snort coverage↗2020-02-11
▶
Talos
Microsoft Patch Tuesday — Feb. 2020: Vulnerability disclosures and Snort coverage↗2020-02-11
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CVE-2020-0683 — Link Following in Microsoft Windows | cvebase