Vulnerability in Sylius

CVE-2020-5218

Affected versions of Sylius give attackers the ability to switch channels via the _channel_code GET parameter in production environments. This was meant to be enabled only when kernel.debug is set to true. However, if no sylius_channel.debug is set explicitly in the configuration, the default value which is kernel.debug will be not resolved and cast to boolean, enabling this debug feature even if that parameter is set to false. Patch has been provided for Sylius 1.3.x and newer - 1.3.16, 1.4.12, 1.5.9, 1.6.5. Versions older than 1.3 are not covered by our security support anymore.

Vulnerability class: HTTP Request Smuggling

EPSS: 0.006 (44.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

  • Sylius — versions >= 1.4.0, < 1.4.6, >= 1.5.0, < 1.5.1, < 1.3.13

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-5218?
CVE-2020-5218 is a medium-severity vulnerability in Sylius, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 4.4/10. Published 2020-01-27.
How severe is CVE-2020-5218?
Medium severity. CVSS v3 base score is 4.4 out of 10.