Authenticated server-side request forgery in file upload via URL.

published 2021-08-16 5 y ago modified 2026-09-10 1 mo ago also GHSA-gcvv-gq92-x94r , EUVD-2021-1718

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits: 0; none known

Versions prior to 6.4.3.1 contain an authenticated server-side request forgery vulnerability in file upload via URL. Version 6.4.3.1 contains a patch. As workarounds for older versions of 6.1, 6.2, and 6.3, corresponding security measures are also available via a plugin.

Patch / fix

fixed in 3 links 1

packagist shopware/platform 6.4.3.1
packagist shopware/core 6.4.3.1
shopware shopware 6.4.3.1

github.com/shopware/platform@b9f330e commit

Exploit prediction

1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P
GitHub	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
packagist	shopware/platform	<6.4.3.1	6.4.3.1
packagist	shopware/core	<6.4.3.1	6.4.3.1

Affected products

shopware platform

Classification

Weakness

CWE-918 Server-Side Request Forgery

References

github.com /shopware/platform/commit/b9f330e652b743dd2374c02bbe68f28b59a3f502
web, patch, third-party-advisory
github.com /shopware/platform/security/advisories/GHSA-gcvv-gq92-x94r
web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2021-37711
advisory
github.com /shopware/platform
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary