Buffer overflow in Aida64

CVE-2020-37140

Everest, later referred to as AIDA64, 5.50.2100 contains a denial of service vulnerability that allows local attackers to crash the application by manipulating file open functionality. Attackers can generate a 450-byte buffer of repeated characters and paste it into the file open dialog to trigger an application crash.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (11.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-37140?
CVE-2020-37140 is a medium-severity vulnerability in Aida64, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2026-02-05.
How severe is CVE-2020-37140?
Medium severity. CVSS v3 base score is 5.5 out of 10.