How severe is CVE-2018-8009?

CVE-2018-8009 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-8009 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-8009?

CVE-2018-8009 primarily affects Apache Hadoop. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-8009?

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-2018-8009 published?

CVE-2018-8009 was published on 2018-11-13 and last updated on 2026-06-17.

CVE-2018-8009

CVE-2018-8009 is a high-severity vulnerability in Apache Hadoop with a CVSS 3.x base score of 8.8. 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-22.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Apache Hadoop
Published: 2018-11-13
Last modified: 2026-06-17

Description

Apache Hadoop 3.1.0, 3.0.0-alpha to 3.0.2, 2.9.0 to 2.9.1, 2.8.0 to 2.8.4, 2.0.0-alpha to 2.7.6, 0.23.0 to 0.23.11 is exploitable via the zip slip vulnerability in places that accept a zip file.

Frequently asked questions

What is CVE-2018-8009?: Apache Hadoop 3.1.0, 3.0.0-alpha to 3.0.2, 2.9.0 to 2.9.1, 2.8.0 to 2.8.4, 2.0.0-alpha to 2.7.6, 0.23.0 to 0.23.11 is exploitable via the zip slip vulnerability in places that accept a zip file.
How severe is CVE-2018-8009?: CVE-2018-8009 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-8009 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-8009?: CVE-2018-8009 primarily affects Apache Hadoop. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-8009?: 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-2018-8009 published?: CVE-2018-8009 was published on 2018-11-13 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:2.0.0:alpha:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:3.0.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:3.0.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:3.0.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:3.0.0:alpha4:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:3.0.0:beta1:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:3.1.0:*:*:*:*:*:*:*

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