CVE-2020-5274
MEDIUMSymfony 4.4.0-4.4.4 - Information Disclosure via Unescaped Exception Properties
Title source: llmDescription
In Symfony before versions 5.0.5 and 4.4.5, some properties of the Exception were not properly escaped when the `ErrorHandler` rendered it stacktrace. In addition, the stacktrace were displayed even in a non-debug configuration. The ErrorHandler now escape alls properties of the exception, and the stacktrace is only display in debug configuration. This issue is patched in symfony/http-foundation versions 4.4.5 and 5.0.5
References (3)
Core 3
Core References
Third Party Advisory x_refsource_confirm
https://github.com/symfony/symfony/security/advisories/GHSA-m884-279h-32v2
Patch, Third Party Advisory x_refsource_misc
https://github.com/symfony/symfony/commit/629d21b800a15dc649fb0ae9ed7cd9211e7e45db
Patch, Third Party Advisory x_refsource_misc
https://github.com/symfony/symfony/commit/cf80224589ac05402d4f72f5ddf80900ec94d5ad
Scores
CVSS v3
4.6
EPSS
0.0120
EPSS Percentile
64.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Details
CWE
CWE-209
Status
published
Products (3)
sensiolabs/symfony
4.4.0 - 4.4.4
symfony/error-handler
4.4.0 - 4.4.4Packagist
symfony/symfony
4.4.0 - 4.4.4Packagist
Published
Mar 30, 2020
Tracked Since
Feb 18, 2026