TI-2020-17129 Aliases CVE-2020-28190 GHSA-8vhf-89h2-fwh8

TerraMaster TOS <= 4.2.06 was found to check for updates (of both system and…

LOW 28Published 2020-12-24 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: None · High · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

TerraMaster TOS <= 4.2.06 was found to check for updates (of both system and applications) via an insecure channel (HTTP). Man-in-the-middle attackers are able to intercept these requests and serve a weaponized/infected version of applications or updates.

Why it matters now

EPSS 0.00787 56th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:o:terra-master:tos::::::::	up to 4.2.06	Vulnerable	TerraMaster

cpe:2.3:o:terra-master:tos:*:*:*:*:*:*:*:* Versions up to 4.2.06 Vulnerable ·TerraMaster

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-28190
2026-10-03 Alias added: GHSA-8vhf-89h2-fwh8

References

Exploit 1

https://www.ihteam.net/advisory/terramaster-tos-multiple-vulnerabilities/

Advisory 1

https://www.terra-master.com/

TI-2020-17128 Remote Command Execution (RCE) vulnerability in TerraMaster TOS <= 4.2.06 allow remote… CVSS 3.1CRITICAL 9.8
TI-2020-12246 TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection… CVSS 3.1CRITICAL 9.8
TI-2020-17127 Multiple directory traversal vulnerabilities in TerraMaster TOS <= 4.2.06 allow remote… CVSS 3.1CRITICAL 9.8
TI-2021-20870 It is possible to execute arbitrary commands as root in Terramaster F4-210, F2-210 TOS… CVSS 3.1CRITICAL 9.8
TI-2021-20872 It is possible to execute arbitrary commands as root in Terramaster F4-210, F2-210 TOS… CVSS 3.1CRITICAL 9.8
TI-2021-20873 In Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517), an attacker can self-sign… CVSS 3.1HIGH 8.1

See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences