CVE-2020-36938
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductWinAVR
PublishedJan 27, 2026
First seenJan 27, 2026
Weakness typeCWE-732CWE-732
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| WinAVR WinAVR | 20100110 | — |
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