CVE-2020-5274 MEDIUM

CVE-2020-5274: Exceptions displayed in non-debug configurations in Symfony

Vendor Symfony
Product symfony
Weakness CWE-209 · Error message info leak
Published March 30, 2020
Last update August 4, 2024
View on NVD All CVEs

CVSS base score

4.6/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

March 30, 2020 CVE published
August 4, 2024 Record updated