CVE-2018-11765

Hadoop vulnerability

CVSS

7.5

EPSS

5.2%

EPSS pct

92th

Exploited

No known

In Apache Hadoop versions 3.0.0-alpha2 to 3.0.0, 2.9.0 to 2.9.2, 2.8.0 to 2.8.5, any users can access some servlets without authentication when Kerberos authentication is enabled and SPNEGO through HTTP is not enabled.

Affected vendor

Apache

Affected product

Hadoop

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness type (CWE)

CWE-287 — Improper Authentication

Published

2020-09-30

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 5.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2018-11765

Confirm whether Apache Hadoop is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-11765.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-11765

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-11765 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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