CRITICAL

CVE-2018-20122

CVSS v3

9.8

CRITICAL

EPSS Score

4.8 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2018-20122 yet.

Full record on NVD

Description

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.

Technical details

Published: 2019-02-21

Frequently asked questions

What is CVE-2018-20122?

Is CVE-2018-20122 actively exploited?

Active exploitation of CVE-2018-20122 has not been confirmed. Its EPSS score was 4.8% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-20122?

CVE-2018-20122 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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