CVE-2020-37128
ZOC Terminal 7.25.5 - 'Script' Denial of Service
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Active
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
ZOC Terminal 7.25.5 - 'Script' Denial of Service
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.
- Record
CVE-2020-37128- CVSS 4.0
- 6.7 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
EUVDEUVD-2020-31024
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.
- Record
EUVD-2020-31024- CVSS 4.0
- 6.7 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-3f26-hjxq-9434
ZOC Terminal 7.25.5 contains a script processing vulnerability that allows local attackers to...
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.
- Record
GHSA-3f26-hjxq-9434- CVSS 4.0
- 6.7 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2020-37128- CVSS 4.0
- 6.7 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 6.2 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-37128 is a medium vulnerability (CVSS 6.7) in Emtec Zoc Terminal, published February 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.