Buffer overflow in Drive Software Company Free Desktop Clock
CVE-2020-37126
Free Desktop Clock 3.0 contains a stack overflow vulnerability in the Time Zones display name input that allows attackers to overwrite Structured Exception Handler (SEH) registers. Attackers can exploit the vulnerability by crafting a malicious Unicode input that triggers an access violation and potentially execute arbitrary code.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (45.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- Drive Software Company Free Desktop Clock — versions 3.0
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/48314 (exploit)
- www.drive-software.com (product)
- www.vulncheck.com/advisories/free-desktop-clock-x-venetian-blinds-zipper-unicod… (third-party-advisory)
Frequently asked questions
- What is CVE-2020-37126?
- CVE-2020-37126 is a critical-severity vulnerability in Drive Software Company Free Desktop Clock, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-02-05.
- How severe is CVE-2020-37126?
- Critical severity. CVSS v3 base score is 9.8 out of 10.