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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.015 (73.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Fastweb Fastgate
- Fastweb Fastgate Firmware — versions 1.0.1b
Weakness classification (CWE)
References
- angeloanatrella86.github.io/CVE-2019/ (Exploit, Third Party Advisory)
- github.com/angeloanatrella86/CVE-2019/blob/master/index.md (Exploit, Third Party Advisory)
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.