TI-2020-00597 Aliases CVE-2020-0621 GHSA-hg3w-x3pv-cqqc

Insufficient session expiration in Microsoft Windows

LOW 22CWE-613Published 2020-01-14 · Updated 2024-08-04

Key facts

Attack vector: Local
Privileges required: High
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: None · High · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-613.

Summary

A security feature bypass vulnerability exists in Windows 10 when third party filters are called during a password update, aka 'Windows Security Feature Bypass Vulnerability'.

Why it matters now

EPSS 0.01042 64th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Microsoft	Windows	10 Version 1803 for 32-bit Systems; 10 Version 1803 for x64-based Systems; 10 Version 1803 for ARM64-based Systems; 10 Version 1809 for 32-bit Systems; 10 Version 1809 for x64-based Systems; 10 Version 1809 for ARM64-based Systems; 10 Version 1709 for 32-bit Systems; 10 Version 1709 for x64-based Systems; 10 Version 1709 for ARM64-based Systems	—	No fix listed	CNA
Microsoft	Windows Server	version 1803 (Core Installation); 2019; 2019 (Core installation)	—	No fix listed	CNA

Windows VendorMicrosoft Affected 10 Version 1803 for 32-bit Systems; 10 Version 1803 for x64-based Systems; 10 Version 1803 for ARM64-based Systems; 10 Version 1809 for 32-bit Systems; 10 Version 1809 for x64-based Systems; 10 Version 1809 for ARM64-based Systems; 10 Version 1709 for 32-bit Systems; 10 Version 1709 for x64-based Systems; 10 Version 1709 for ARM64-based Systems Fixed in — No fix listed CNA
Windows Server VendorMicrosoft Affected version 1803 (Core Installation); 2019; 2019 (Core installation) Fixed in — No fix listed CNA

CPE configurations NVD · 5

CPE	Versions	Role	Vendor
cpe:2.3:o:microsoft:windows_10:1709:::::::*	1709	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_10:1803:::::::*	1803	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_10:1809:::::::*	1809	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_server_2016:1803:::::::*	1803	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_server_2019:-:::::::*	not specified by NVD	Vulnerable	Microsoft

cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* Versions 1709 Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* Versions 1803 Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* Versions 1809 Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:* Versions 1803 Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-0621
2026-10-03 Alias added: GHSA-hg3w-x3pv-cqqc

References

Patch 1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0621

TI-2015-02132 Buffer underflow in atmfd.dll in the Windows Adobe Type Manager Library in Microsoft… KEVCVSS 3.1HIGH 8.8
TI-2022-10056 Remote Procedure Call Runtime Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
TI-2022-06273 HTTP Protocol Stack Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
TI-2019-00906 Remote Desktop Services Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
TI-2022-15533 Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
TI-2015-01587 Mount Manager in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows… KEVCVSS 3.1MEDIUM 6.6

See all 2973 →

Sources

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