VULNERABILITY INTELLIGENCE

CVE-2020-37221

CVSS score8.6 HIGH
EPSS probability0.15%
CISA KEVNot currently listed
Published2026-05-13
Last modified2026-06-17
CVSS vectorCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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.

Weakness classification

  • CWE-121: Stack-based Buffer Overflow

Primary references