How severe is CVE-2020-21967?

CVE-2020-21967 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-21967 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-21967?

CVE-2020-21967 affects Prestashop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-21967?

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

When was CVE-2020-21967 published?

CVE-2020-21967 was published on 2022-07-13 and last updated on 2026-06-17.

CVE-2020-21967

CVE-2020-21967 is a medium-severity vulnerability in Prestashop with a CVSS 3.x base score of 4.8. 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 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Prestashop
Published: 2022-07-13
Last modified: 2026-06-17

Description

File upload vulnerability in the Catalog feature in Prestashop 1.7.6.7 allows remote attackers to run arbitrary code via the add new file page.

Frequently asked questions

What is CVE-2020-21967?: File upload vulnerability in the Catalog feature in Prestashop 1.7.6.7 allows remote attackers to run arbitrary code via the add new file page.
How severe is CVE-2020-21967?: CVE-2020-21967 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-21967 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-21967?: CVE-2020-21967 affects Prestashop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-21967?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-21967 published?: CVE-2020-21967 was published on 2022-07-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:prestashop:prestashop:1.7.6.7:*:*:*:*:*:*:*

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