What is CVE-2017-18357?

CVE-2017-18357 is a medium-severity vulnerability in Shopware, classified under Externally Controlled Reference to a Resource in Another Sphere. CVSS score: 6.5/10. Published 2019-01-15.

How severe is CVE-2017-18357?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2017-18357 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Shopware

CVE-2017-18357

Shopware before 5.3.4 has a PHP Object Instantiation issue via the sort parameter to the loadPreviewAction() method of the Shopware_Controllers_Backend_ProductStream controller, with resultant XXE via instantiation of a SimpleXMLElement object.

EPSS: 0.271 (97.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Shopware
N/a — versions n/a

Weakness classification (CWE)

CWE-610 — Externally Controlled Reference to a Resource in Another Sphere

Public proof-of-concept exploits

rapid7/metasploit-framework

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_MISC)

Frequently asked questions

What is CVE-2017-18357?: CVE-2017-18357 is a medium-severity vulnerability in Shopware, classified under Externally Controlled Reference to a Resource in Another Sphere. CVSS score: 6.5/10. Published 2019-01-15.
How severe is CVE-2017-18357?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2017-18357 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.