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 characters to trigger an application crash and cause a denial of service.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (6.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Emtec Zoc Terminal — versions 7.25.5
Weakness classification (CWE)
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.