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CVE-2021-37708

30
FAUCET Score

CVE-2021-37708 is a critical command injection vulnerability affecting Shopware, an open-source eCommerce platform, in versions prior to 6.4.3.1, specifically within the mail agent settings. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low attack complexity, and high potential impact on confidentiality, integrity, and availability. While patches are available in version 6.4.3.1 and via a plugin for older versions, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.1.0, < 6.4.3.1CPE matchmatch criteria
cpe:2.3:a:shopware:shopware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.36%
Probability of exploitation in next 30 days
EPSS Percentile
82.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0236 is in the 72nd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: shopware/platformFixed in: 6.4.3.1
composerpatch availablevia ghsa
Product: shopware/coreFixed in: 6.4.3.1
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-xh55-2fqp-p775high

Command injection in mail agent settings

Aug 30, 2021

References

github.com / shopware/platform/commit/82d8d1995f6ce9054323b2c3522b1b3cf04853aa
PatchThird Party Advisory
github.com / shopware/platform/security/advisories/GHSA-xh55-2fqp-p775
Third Party Advisory