CVE-2018-11764

highpriority · track · 36OT risk · elevatedEPSS 0.024 · 84 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.39% (84th) EPSS

CVSS 9 · high

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

Web endpoint authentication check is broken in Apache Hadoop 3.0.0-alpha4, 3.0.0-beta1, and 3.0.0. Authenticated users may impersonate any user even if no proxy user is configured.

cvss

Technical severity, 0–10. One row per scoring source.

9.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.09highAV:N/AC:L/Au:S/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8 · impact 10

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USprimaryCWE-306US

affected products (5)

Products and version ranges known to be affected.

n/a Apache Hadoop≤ Apache Hadoop 3.0.0-alpha4, 3.0.0-beta1, 3.0.0enisa_euvdEU
apache hadoop= 3.0.0nvdUScpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*
Maven org.apache.hadoop:hadoop-main3.0.0 → 3.0.1osvUSpkg:maven/org.apache.hadoop/hadoop-main
Maven org.apache.hadoop:hadoop-main3.0.0-alpha4 → 3.0.1osvUSpkg:maven/org.apache.hadoop/hadoop-main
Maven org.apache.hadoop:hadoop-main3.0.0-beta1 → 3.0.1osvUSpkg:maven/org.apache.hadoop/hadoop-main

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-4fh8-pm7g-pmxqAuthentication bypass in Apache Hadoop2022-02-10ghsa · osvUS
Web endpoint authentication check is broken in Apache Hadoop 3.0.0-alpha4, 3.0.0-beta1, and 3.0.0. Authenticated users may impersonate any user even if no proxy user is configured.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2020-10-21modified 2026-06-17

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references (8)

External citations — patches, advisories, analysis.

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