CVE-2019-18887

HIGH

Symfony 2.8.0-2.8.50, 3.4.0-3.4.34, 4.2.0-4.2.11, 4.3.0-4.3.7 - Timing Attack in UriSigner

Title source: llm
STIX 2.1

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. The UriSigner was subject to timing attacks. This is related to symfony/http-kernel.

Scores

CVSS v3 8.1
EPSS 0.0134
EPSS Percentile 67.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-203
Status published
Products (5)
fedoraproject/fedora 30
fedoraproject/fedora 31
sensiolabs/symfony 2.8.0 - 2.8.50
symfony/http-kernel 2.2.0 - 2.8.52Packagist
symfony/symfony 2.2.0 - 2.8.52Packagist
Published Nov 21, 2019
Tracked Since Feb 18, 2026