What is CVE-2020-37128?

CVE-2020-37128 is a medium-severity vulnerability in Emtec Zoc Terminal, classified under Stack-based Buffer Overflow. CVSS score: 6.2/10. Published 2026-02-05.

How severe is CVE-2020-37128?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Buffer overflow in Emtec Zoc Terminal

CVE-2020-37128

ZOC Terminal 7.25.5 contains a script processing vulnerability that allows local attackers to crash the application by loading a maliciously crafted REXX script file. Attackers can generate an oversized script with 20,000 repeated characte…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (0.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Emtec Zoc Terminal — versions 7.25.5

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

ExploitDB-48302 (exploit)
Vendor Homepage (product)
VulnCheck Advisory: ZOC Terminal 7.25.5 - 'Script' Denial of Service (third-party-advisory)

Frequently asked questions

What is CVE-2020-37128?: CVE-2020-37128 is a medium-severity vulnerability in Emtec Zoc Terminal, classified under Stack-based Buffer Overflow. CVSS score: 6.2/10. Published 2026-02-05.
How severe is CVE-2020-37128?: Medium severity. CVSS v3 base score is 6.2 out of 10.