How severe is CVE-2020-28185?

CVE-2020-28185 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-28185 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28185?

CVE-2020-28185 affects Terra-master Tos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28185?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-28185 published?

CVE-2020-28185 was published on 2020-12-24 and last updated on 2026-06-17.

CVE-2020-28185

CVE-2020-28185 is a medium-severity vulnerability in Terra-master Tos with a CVSS 3.x base score of 5.3. Its EPSS exploit-prediction score of 18% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 18% (97th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Terra-master Tos
Published: 2020-12-24
Last modified: 2026-06-17

Description

User Enumeration vulnerability in TerraMaster TOS <= 4.2.06 allows remote unauthenticated attackers to identify valid users within the system via the username parameter to wizard/initialise.php.

Frequently asked questions

What is CVE-2020-28185?: User Enumeration vulnerability in TerraMaster TOS <= 4.2.06 allows remote unauthenticated attackers to identify valid users within the system via the username parameter to wizard/initialise.php.
How severe is CVE-2020-28185?: CVE-2020-28185 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-28185 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28185?: CVE-2020-28185 affects Terra-master Tos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28185?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-28185 published?: CVE-2020-28185 was published on 2020-12-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:terra-master:tos:*:*:*:*:*:*:*:*

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