CVE-2019-18886

CVSS V2 Medium 5 CVSS V3 Medium 5.3
Description
An issue was discovered in Symfony 4.2.0 to 4.2.11 and 4.3.0 to 4.3.7. The ability to enumerate users was possible due to different handling depending on whether the user existed when making unauthorized attempts to use the switch users functionality. This is related to symfony/security.
Overview
  • CVE ID
  • CVE-2019-18886
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-11-21T18:15:11
  • Last Modified Date
  • 2021-07-21T11:39:23
Weakness Enumerations
CWE URL
CWE-203 http://cwe.mitre.org/data/definitions/203.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:* 1 OR 4.2.0 4.2.11
cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:* 1 OR 4.3.0 4.3.7
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://symfony.com/blog/cve-2019-18886-prevent-user-enumeration-using-switch-user-functionality Vendor Advisory
https://symfony.com/blog/symfony-4-3-8-released Release Notes
https://github.com/symfony/symfony/releases/tag/v4.3.8 Release Notes
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-18886
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18886
History
Created Old Value New Value Data Type Notes
2022-05-10 16:09:50 Added to TrackCVE
2022-12-04 06:43:44 2019-11-21T18:15Z 2019-11-21T18:15:11 CVE Published Date updated
2022-12-04 06:43:44 2021-07-21T11:39:23 CVE Modified Date updated
2022-12-04 06:43:44 Analyzed Vulnerability Status updated