CVE-2019-18888
moderate-risk
Published 2019-11-21
An issue was discovered in Symfony 2.8.0 through 2.8.50, 3.4.0 through 3.4.34, 4.2.0 through 4.2.11, and 4.3.0 through 4.3.7. If an application passes unvalidated user input as the file for which MIME type validation should occur, then arbitrary arguments are passed to the underlying file command. This is related to symfony/http-foundation (and symfony/mime in 4.3.x).
Do I need to act?
~
2.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Vendors
References (12)
Release Notes
https://github.com/symfony/symfony/releases/tag/v4.3.8
Release Notes
https://symfony.com/blog/symfony-4-3-8-released
Release Notes
https://github.com/symfony/symfony/releases/tag/v4.3.8
Release Notes
https://symfony.com/blog/symfony-4-3-8-released
40
/ 100
moderate-risk
Severity
26/34 · High
Exploitability
5/34 · Minimal
Exposure
9/34 · Low