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  1. CVEs
  2. CVE-2016-2403
  1. CVEs

CVE-2016-2403

critical
  • Information
  • CPEs
  • Plugins

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.

References

https://github.com/advisories/GHSA-wvj5-r78r-hhfq

https://www.debian.org/security/2018/dsa-4262

http://www.securityfocus.com/bid/96137

http://symfony.com/blog/cve-2016-2403-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-password

Details

Source: Mitre, NVD

Published: 2017-02-07

Updated: 2026-05-13

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00154

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