Overview
- 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.
- Source
- cve@mitre.org
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 9.8
- Impact score
- 5.9
- Exploitability score
- 3.9
- Vector string
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity
- CRITICAL
CVSS 2.0
- Type
- Primary
- Base score
- 7.5
- Impact score
- 6.4
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
- nvd@nist.gov
- CWE-287
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "04FB061B-FE93-415F-AAFA-53C13FC423FB",
"versionEndExcluding": "2.8.37",
"versionStartIncluding": "2.8.0"
},
{
"criteria": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9D5417E6-35FB-4B1B-81DB-A969647DE21B",
"versionEndExcluding": "3.3.17",
"versionStartIncluding": "3.3.0"
},
{
"criteria": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2521E32B-A190-4FA8-8C06-50E1D6AF460A",
"versionEndExcluding": "3.4.7",
"versionStartIncluding": "3.4.0"
},
{
"criteria": "cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A1114E91-D809-40C5-8908-42D360C0176B",
"versionEndExcluding": "4.0.7",
"versionStartIncluding": "4.0.0"
}
],
"operator": "OR"
}
]
}
]