CVE-2020-37221

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.

CVSS v3 8.4 HIGH

8.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.exploit-db.com/exploits/48346
https://www.vulncheck.com/advisories/atomic-alarm-clock-stack-overflow-via-seh-unicode

Configurations

No configuration.

History

No history.

Information

Published : 2026-05-13 16:16

Updated : 2026-06-17 03:17

NVD link : CVE-2020-37221

Mitre link : CVE-2020-37221

CVE.ORG link : CVE-2020-37221

JSON object : View

Products Affected

No product.

CWE

CWE-121

Stack-based Buffer Overflow

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