How severe is CVE-2018-8021?

CVE-2018-8021 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-8021 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 54% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8021?

CVE-2018-8021 affects Apache Superset. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-8021?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-8021 published?

CVE-2018-8021 was published on 2018-11-07 and last updated on 2026-06-17.

CVE-2018-8021

CVE-2018-8021 is a critical-severity vulnerability in Apache Superset with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 54% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 54% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Apache Superset
Published: 2018-11-07
Last modified: 2026-06-17

Description

Versions of Superset prior to 0.23 used an unsafe load method from the pickle library to deserialize data leading to possible remote code execution. Note Superset 0.23 was released prior to any Superset release under the Apache Software Foundation.

Frequently asked questions

What is CVE-2018-8021?: Versions of Superset prior to 0.23 used an unsafe load method from the pickle library to deserialize data leading to possible remote code execution. Note Superset 0.23 was released prior to any Superset release under the Apache Software Foundation.
How severe is CVE-2018-8021?: CVE-2018-8021 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-8021 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 54% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8021?: CVE-2018-8021 affects Apache Superset. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-8021?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-8021 published?: CVE-2018-8021 was published on 2018-11-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:superset:*:*:*:*:*:*:*:*

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