THREATPORT/VULNERABILITY/CVE-2020-15568
CRITICAL SEVERITY

CVE-2020-15568

Tos vulnerability

CVSS
9.8
EPSS
28.5%
EPSS pct
98th
Exploited
No known
TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root. This is a dynamic class method invocation vulnerability in include/exportUser.php, in which an attacker can trigger a call to the exec method with (for example) OS commands in the opt parameter.
Affected vendor
Terra Master
Affected product
Tos
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2021-01-30

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 28.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2020-15568

  • Confirm whether Terra Master Tos is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-15568.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-15568

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-15568 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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