Auth bypass in Fastweb Fastgate
CVE-2019-18661
Fastweb FASTGate 1.0.1b devices allow partial authentication bypass by changing a certain check_pwd return value from 0 to 1. An attack does not achieve administrative control of a device; however, the attacker can view all of the web pages of the administration console.
Vulnerability class: Broken Authentication
EPSS: 0.015 (71.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Fastweb Fastgate
- Fastweb Fastgate_firmware — versions 1.0.1b
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-18661?
- CVE-2019-18661 is a high-severity vulnerability in Fastweb Fastgate, classified under Improper Authentication. CVSS score: 7.5/10. Published 2019-11-02.
- How severe is CVE-2019-18661?
- High severity. CVSS v3 base score is 7.5 out of 10.