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CVE Vulnerability Details :
CVE-2020-36938
PUBLISHED
More InfoOfficial Page
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
View Known Exploited Vulnerability (KEV) details
Published At-27 Jan, 2026 | 15:23
Updated At-27 Jan, 2026 | 21:38
Rejected At-
▼CVE Numbering Authority (CNA)
WinAVR Version 20100110 - Insecure Folder Permissions

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.

Affected Products
Vendor
WinAVR
Product
WinAVR
Versions
Affected
  • 20100110
Problem Types
TypeCWE IDDescription
CWECWE-732Incorrect Permission Assignment for Critical Resource
Type: CWE
CWE ID: CWE-732
Description: Incorrect Permission Assignment for Critical Resource
Metrics
VersionBase scoreBase severityVector
4.07.0HIGH
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version: 4.0
Base score: 7.0
Base severity: HIGH
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Mohammed Alshehri
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.exploit-db.com/exploits/49379
exploit
https://sourceforge.net/projects/winavr/
product
https://www.vulncheck.com/advisories/winavr-version-insecure-folder-permissions
third-party-advisory
Hyperlink: https://www.exploit-db.com/exploits/49379
Resource:
exploit
Hyperlink: https://sourceforge.net/projects/winavr/
Resource:
product
Hyperlink: https://www.vulncheck.com/advisories/winavr-version-insecure-folder-permissions
Resource:
third-party-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found