CVE-2016-2403
symfony - security update
9.8
CRITICAL
CVSS 3.1
EPSS 0.15%
Description
Symfony before 2.8.6 and 3.x before 3.0.6 allows remote attackers to bypass authentication by logging in with an empty password and valid username, which triggers an unauthenticated bind.
How to fix CVE-2016-2403
To remediate CVE-2016-2403, upgrade the affected package to a fixed version below.
- Debian/symfony—upgrade to 2.8.6+dfsg-1 or later
- —upgrade to 2.8.7+dfsg-1.3+deb9u1 or later
- —upgrade to 2.8.6 or later
- —upgrade to 2.8.6 or later
- —upgrade to 2.8.6 or later
Is CVE-2016-2403 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (5)
- from 0, < 2.8.6+dfsg-1
- from 0, < 2.8.7+dfsg-1.3+deb9u1
- >= 2.8.0, < 2.8.6
- >= 2.8.0, < 2.8.6
- >= 2.8.0, < 2.8.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |