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TI-2020-19073 Aliases CVE-2020-36938GHSA-q6mp-f7c6-gwcv

WinAVR Version 20100110 - Insecure Folder Permissions

Priority LOW 32CWE-732Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00235 14th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
WinAVRWinAVR20100110—No fix listedCNA
  • WinAVR VendorWinAVR Affected 20100110 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-36938
  2. 2026-10-03 Alias added: GHSA-q6mp-f7c6-gwcv

References

Exploit 1

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences