How severe is CVE-2021-33666?

CVE-2021-33666 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-33666 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33666?

CVE-2021-33666 affects Sap Commerce Cloud. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33666?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-33666 published?

CVE-2021-33666 was published on 2021-06-09 and last updated on 2026-06-17.

CVE-2021-33666

CVE-2021-33666 is a medium-severity vulnerability in Sap Commerce Cloud with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Sap Commerce Cloud
Published: 2021-06-09
Last modified: 2026-06-17

Description

When SAP Commerce Cloud version 100, hosts a JavaScript storefront, it is vulnerable to MIME sniffing, which, in certain circumstances, could be used to facilitate an XSS attack or malware proliferation.

Frequently asked questions

What is CVE-2021-33666?: When SAP Commerce Cloud version 100, hosts a JavaScript storefront, it is vulnerable to MIME sniffing, which, in certain circumstances, could be used to facilitate an XSS attack or malware proliferation.
How severe is CVE-2021-33666?: CVE-2021-33666 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-33666 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33666?: CVE-2021-33666 affects Sap Commerce Cloud. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33666?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33666 published?: CVE-2021-33666 was published on 2021-06-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sap:commerce_cloud:100:*:*:*:*:*:*:*

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