CVE-2020-37221

HighCVSS 8.4/10Last modified Jun 17, 2026

Description

Atomic Alarm Clock 6.3 contains a stack overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious string to the display name textbox in the Time Zones Clock configuration. Attackers can craft a buffer with structured exception handling overwrite and encoded shellcode to bypass SafeSEH protections and execute arbitrary commands with application privileges.

Metrics

CVSS 3.1 8.4/10CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
May 13, 2026
Last modified
Jun 17, 2026
NVD status
Awaiting Analysis

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CVE-2020-37221: High severity, CVSS 8.4 | Vulnix