CVE-2020-36938

Published: Jan 27, 2026

Modified: Jan 27, 2026

PUBLISHED

CVSS v3.1

8.8

HIGH

Description

WinAVR version 20100110 contains an insecure permissions vulnerability that allows authenticated users to modify system files and executables. Attackers can leverage the overly permissive access controls to potentially modify critical DLLs and executable files in the WinAVR installation directory.

Vendor	Product	Versions
WinAVR	WinAVR	affected `20100110`

Weaknesses (CWE)

CWE-732

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

ExploitDB-49379

exploit

WinAVR Official Project Homepage

product

VulnCheck Advisory: WinAVR Version 20100110 - Insecure Folder Permissions

third-party-advisory

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CVE-2020-36938

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References