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CVE Record

CVE-2021-37707: Manipulation of product reviews via API

Shopware is an open source eCommerce platform. Versions prior to 6.4.3.1 contain a vulnerability that allows manipulation of product reviews via API. 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.

MediumCVSS 6.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

A Shopware product review API flaw could let a low-privileged remote user manipulate product reviews. For an eCommerce business, this primarily threatens trust, merchandising integrity, and customer decision-making rather than data confidentiality or uptime.

Executive priority

Treat as a moderate-priority integrity issue for any active Shopware store. Prioritize stores where product reviews materially influence revenue, marketplace trust, or compliance obligations around customer-facing content.

Technical view

CVE-2021-37707 affects Shopware platform versions through 6.4.3.0. The CVSS 3.1 vector is AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N, mapped to CWE-20. The vendor advisory says 6.4.3.1 patches the issue, with plugin-based security measures for older 6.1, 6.2, and 6.3 installations.

Likely exposure

Exposure is limited to Shopware Platform installations running 6.4.3.0 or earlier. CVSS indicates network reachability and low privileges are required, with no user interaction. The provided sources do not specify which API configurations, roles, or deployment models are most exposed.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation evidence. Public vendor advisory and patch commit exist, so defenders should assume the weakness is publicly understood without claiming confirmed exploitation.

Researcher notes

The public details identify review manipulation via API but do not describe exact request paths, role requirements, or exploit procedure. Validation should stay defensive: version confirmation, advisory review, patch status, API account review, and evidence of unauthorized review changes.

Mitigation direction

  • Upgrade Shopware Platform to 6.4.3.1 or later.
  • For Shopware 6.1, 6.2, or 6.3, apply the vendor security plugin measures.
  • Review vendor advisory guidance before choosing a workaround.
  • Audit product review changes for unexplained edits or manipulation.
  • Limit API access to accounts with a clear business need.

Validation and detection

  • Inventory Shopware Platform versions across all stores.
  • Confirm affected systems are no later than 6.4.3.0 before prioritizing.
  • Verify upgrade to 6.4.3.1 or vendor workaround installation.
  • Review product review API logs for suspicious authenticated activity.
  • Check whether review integrity monitoring or audit trails are enabled.
Prepared
Confidence
high
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-20: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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cve · low confidence lookup

CVE-2021-37707 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.5 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N2.83.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.5Medium
CVSS 3.1 vector shape for CVE-2021-37707Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
shopwareplatform<= 6.4.3.0Listed
Weakness

CWE details

CWE-20

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.