Symfony
CVE-2020-5274
MEDIUM
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Lifecycle Timeline
1DescriptionNVD
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
AnalysisAI
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. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity.
Technical ContextAI
This vulnerability is classified under CWE-209. 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 Affected products include: Sensiolabs Symfony.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
FragmentListener in the HttpKernel component in Symfony 2.3.19 through 2.3.28, 2.4.9 through 2.4.10, 2.5.4 through 2.5.1
In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, when servic
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Symfony versions up to 5.4.51 contains a vulnerability that allows attackers to operations being performed on an uninten
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Symphony process is a module for the Symphony PHP framework which executes commands in sub-processes. Rated critical sev
An issue was discovered in Symfony 3.4.0 through 3.4.34, 4.2.0 through 4.2.11, and 4.3.0 through 4.3.7. Rated critical s
An issue was discovered in Symfony before 4.2.12 and 4.3.x before 4.3.8. Rated critical severity (CVSS 9.8), this vulner
In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, HTTP Method
An issue was discovered in the Ldap component in Symfony 2.8.x before 2.8.37, 3.3.x before 3.3.17, 3.4.x before 3.4.7, a
lib/form/sfForm.class.php in Symfony CMS before 1.4.20 allows remote attackers to read arbitrary files via a crafted upl
Same weakness CWE-209 – Error Message Information Leak
View allSame technique Information Disclosure
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External POC / Exploit Code
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