CVSS v3
8.1
HIGH
EPSS Score
1.9 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Incorrect Access Control vulnerability in TerraMaster TOS <= 4.2.06 allows remote authenticated attackers to bypass read-only restriction and obtain full access to any folder within the NAS
Technical details
- Published
- 2020-12-24
Frequently asked questions
What is CVE-2020-29189?
Incorrect Access Control vulnerability in TerraMaster TOS <= 4.2.06 allows remote authenticated attackers to bypass read-only restriction and obtain full access to any folder within the NAS
Is CVE-2020-29189 actively exploited?
Active exploitation of CVE-2020-29189 has not been confirmed. Its EPSS score was 1.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-29189?
CVE-2020-29189 has a CVSS v3 base score of 8.1 (HIGH severity).
Is CVE-2020-29189 affecting your environment?
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