Script Processing Vulnerability in ZOC Terminal by Emtec
CVE-2020-37128

6.7MEDIUM

Key Information:

Vendor

Emtec

Status
Zoc Terminal
Vendor
CVE Published:
5 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37128?

A security flaw in ZOC Terminal version 7.25.5 enables local attackers to create a denial of service condition by executing a specially crafted REXX script. This malformed script, constructed to include an excessive number of repetitive characters (up to 20,000), can lead to an application crash, thereby compromising the functionality and stability of the terminal. Users of ZOC Terminal should take precautions to mitigate the risk associated with this vulnerability.

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Affected Version(s)

ZOC Terminal 7.25.5

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-37128 - Proof of Concept

References

https://www.exploit-db.com/exploits/48302
exploit
https://www.emtec.com
product
https://www.vulncheck.com/advisories/zoc-terminal-script-...
third-party-advisory

CVSS V4

Score:
6.7
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

chuyreds
JSON
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