PT-2019-9997 · Fastweb · Fastgate

Published 2019-02-21 · Updated 2020-08-24 · CVE-2018-20122

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions FASTGate Fastweb devices with firmware through 0.00.47 FW 200 Askey 2017-05-17 FASTGate Fastweb devices with software through 1.0.1b

Description The web interface on FASTGate Fastweb devices exposed a CGI binary that is vulnerable to a command injection issue, allowing remote code execution with root privileges without requiring authentication.

Recommendations For firmware through 0.00.47 FW 200 Askey 2017-05-17, update the firmware to a version later than 0.00.47 FW 200 Askey 2017-05-17. For software through 1.0.1b, update the software to a version later than 1.0.1b. As a temporary workaround, consider restricting access to the CGI binary to minimize the risk of exploitation.

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2018-20122

Affected Products

Fastgate

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2018-20122 · Security Note
• https://osv.dev/vulnerability/CVE-2018-20122 · Vendor Advisory
• http://horizonsecurity.it/advisories/?a=12&title=Fastweb+FastGate+router+101b+Remote+code+execution++CVE201820122 · Note