VDB
CVE-2015-7576
CVE-2015-7576
REJECTED
CVSS 3.700000047683716 LOW
The http_basic_authenticate_with method in actionpack/lib/action_controller/metal/http_authentication.rb in the Basic Authentication implementation in Action Controller in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 does not use a constant-time algorithm for verifying credentials, which makes it easier for remote attackers to bypass authentication by measuring timing differences.
EPSS 4.88% · 91.8th percentile
Risk Scores
CVSS 3.0
3.700000047683716
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score
4.88%
91.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | rails | 0, 2:4.1.10-1, 2:4.2.5-1 |
Timeline
- Jan 25, 2016 CVE Published
- Feb 4, 2022 EPSS Score
- Mar 7, 2023 EPSS Score
- Jul 31, 2023 CVE Updated
- Dec 6, 2024 EPSS Score
- Jul 7, 2025 EPSS Score
- Aug 1, 2025 EPSS Score
- Aug 4, 2025 EPSS Score
- Aug 19, 2025 EPSS Score
- Aug 20, 2025 EPSS Score
- Sep 1, 2025 EPSS Score
- Sep 7, 2025 EPSS Score
References
- https://ubuntu.com/security/CVE-2015-7576 third-party-advisory
- https://marc.info/?l=oss-security&m=145375027528562&w=2 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2015-7576 third-party-advisory