THREATPORT/VULNERABILITY/CVE-2018-20122
CRITICAL SEVERITY

CVE-2018-20122

Fastgate Firmware vulnerability

CVSS
9.8
EPSS
4.8%
EPSS pct
91th
Exploited
No known
The web interface on FASTGate Fastweb devices with firmware through 0.00.47_FW_200_Askey 2017-05-17 (software through 1.0.1b) exposed a CGI binary that is vulnerable to a command injection vulnerability that can be exploited to achieve remote code execution with root privileges. No authentication is required in order to trigger the vulnerability.
Affected vendor
Fastweb
Affected product
Fastgate Firmware
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-78 — OS Command Injection
Published
2019-02-21

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 4.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2018-20122

  • Confirm whether Fastweb Fastgate Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-20122.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-20122

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-20122 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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