CVE-2021-20778

CVE-2021-20778 is a high-severity vulnerability in Ec-cube with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Improper access control vulnerability in EC-CUBE 4.0.6 (EC-CUBE 4 series) allows a remote attacker to bypass access restriction and obtain sensitive information via unspecified vectors.

Frequently asked questions

What is CVE-2021-20778?
Improper access control vulnerability in EC-CUBE 4.0.6 (EC-CUBE 4 series) allows a remote attacker to bypass access restriction and obtain sensitive information via unspecified vectors.
How severe is CVE-2021-20778?
CVE-2021-20778 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-20778 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-20778?
CVE-2021-20778 affects Ec-cube. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-20778?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-20778 published?
CVE-2021-20778 was published on 2021-07-01 and last updated on 2026-06-17.

References

Affected products (1)

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