VulnerabilityModified

CVE-2018-11407

It allows remote attackers to bypass authentication by logging in with a "null" password and valid username, which triggers an unauthenticated bind.

CRITICAL 9.8EPSS 2.34%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An issue was discovered in the Ldap component in Symfony 2.8.x before 2.8.37, 3.3.x before 3.3.17, 3.4.x before 3.4.7, and 4.0.x before 4.0.7. It allows remote attackers to bypass authentication by logging in with a "null" password and valid username, which triggers an unauthenticated bind. NOTE: this issue exists because of an incomplete fix for CVE-2016-2403.

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: 2.34% probability · 83th percentile
CISA KEV: Not listed
Weakness: CWE-287
Affected: sensiolabs/symfony
Source: cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.