CVE-2016-2403

high-risk
Published 2017-02-07

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.

Do I need to act?

-
0.15% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Vendors

50
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 1/34 · Minimal
Exposure 17/34 · Moderate