CVE-2020-37221
High
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.
SeverityHigh
CVSS8.4
Exploit probability—
ProductAtomic Alarm Clock
PublishedMay 13, 2026
First seenMay 13, 2026
Weakness typeCWE-121CWE-121
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Drive-software Atomic Alarm Clock | 6.3 | — |
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