CVE-2019-18661 json
Fastweb FASTGate 1.0.1b devices allow partial authentication bypass by changing a certain check_pwd return value from 0 to 1.
published 2019-11-02 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-8378
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
1.50% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- angeloanatrella86.github.io https://angeloanatrella86.github.io/CVE-2019/ referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/angeloanatrella86/CVE-2019/blob/master/index.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
angeloanatrella86.github.io
/CVE-2019/
exploit, third-party-advisory
-
github.com
/angeloanatrella86/CVE-2019/blob/master/index.md
exploit, third-party-advisory
Sources
- CVE List CVE-2019-18661
- NVD CVE-2019-18661
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.