VulnerabilityModified
CVE-2016-2403
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.
CRITICAL 9.8EPSS 2.93%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.93% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- sensiolabs/symfony
- Source
- cve@mitre.org
References
- http://symfony.com/blog/cve-2016-2403-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-passwordVendor Advisory
- http://www.securityfocus.com/bid/96137Third Party Advisory, VDB Entry
- https://www.debian.org/security/2018/dsa-4262
- http://symfony.com/blog/cve-2016-2403-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-passwordVendor Advisory
- http://www.securityfocus.com/bid/96137Third Party Advisory, VDB Entry
- https://www.debian.org/security/2018/dsa-4262
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.