Cyber Posture

CVE-2020-37221

HighPublic PoC

Published: 13 May 2026

Published
13 May 2026
Modified
13 May 2026
KEV Added
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Patch
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CVSS Score 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0001 1.9th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-37221 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability. Its CVSS base score is 8.4 (High).

Operationally, ranked at the 1.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

NVD 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…

more

exception handling overwrite and encoded shellcode to bypass SafeSEH protections and execute arbitrary commands with application privileges.

Deeper analysisAI

Automated synthesis unavailable for this CVE.

Details

CWE(s)
CWE-121

References