CVE detail
CVE-2019-18888 — CVE-2019-18888
Published 2019-11-21 · Modified 2026-06-17 · Vendor sensiolabs · Product symfony · Source nvd
HIGH
severity
CVSS-derived band
0.0225
EPSS probability
exploitation probability, 30d
81.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog
Description
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).
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References