Email Injection in TerraMaster TOS <= 4.2.06 allows remote unauthenticated attackers to…
Priority LOW 39CWE-640Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-640.
Summary
Email Injection in TerraMaster TOS <= 4.2.06 allows remote unauthenticated attackers to abuse the forget password functionality and achieve account takeover.
Why it matters now
EPSS 0.04129 90th 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-2020-28186
- 2026-10-03 Alias added: GHSA-6q5r-2gfw-g2w4
References
More TerraMaster Tos vulnerabilities
- 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
Sources
- CVE-2020-28186 · CVE Program
- CVE-2020-28186 · NVD
- FIRST EPSS
- GHSA-6q5r-2gfw-g2w4 · GitHub Advisory Database · CC BY 4.0
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