How severe is CVE-2021-39864?

CVE-2021-39864 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-39864 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-39864?

CVE-2021-39864 primarily affects Adobe Commerce. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-39864?

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

When was CVE-2021-39864 published?

CVE-2021-39864 was published on 2021-10-15 and last updated on 2026-06-17.

CVE-2021-39864

CVE-2021-39864 is a medium-severity vulnerability in Adobe Commerce with a CVSS 3.x base score of 6.5. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Adobe Commerce
Published: 2021-10-15
Last modified: 2026-06-17

Description

Adobe Commerce versions 2.4.2-p2 (and earlier), 2.4.3 (and earlier) and 2.3.7p1 (and earlier) are affected by a cross-site request forgery (CSRF) vulnerability via a Wishlist Share Link. Successful exploitation could lead to unauthorized addition to customer cart by an unauthenticated attacker. Access to the admin console is not required for successful exploitation.

Frequently asked questions

What is CVE-2021-39864?: Adobe Commerce versions 2.4.2-p2 (and earlier), 2.4.3 (and earlier) and 2.3.7p1 (and earlier) are affected by a cross-site request forgery (CSRF) vulnerability via a Wishlist Share Link. Successful exploitation could lead to unauthorized addition to customer cart by an unauthenticated attacker. Access to the admin console is not required for successful exploitation.
How severe is CVE-2021-39864?: CVE-2021-39864 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-39864 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39864?: CVE-2021-39864 primarily affects Adobe Commerce. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-39864?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-39864 published?: CVE-2021-39864 was published on 2021-10-15 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/magento/apsb21-86.html

Affected products (12)

cpe:2.3:a:adobe:commerce:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.3.7:p1:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.2:p1:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.2:p2:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.3:*:*:*:*:*:*:*
cpe:2.3:a:adobe:magento_open_source:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:magento_open_source:2.3.7:p1:*:*:*:*:*:*
cpe:2.3:a:adobe:magento_open_source:2.4.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:magento_open_source:2.4.2:p1:*:*:*:*:*:*
cpe:2.3:a:adobe:magento_open_source:2.4.2:p2:*:*:*:*:*:*
cpe:2.3:a:adobe:magento_open_source:2.4.3:*:*:*:*:*:*:*

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