CVE-2018-11767

7.4 HIGH 4% exploit odds No fix listed

What it is

In Apache Hadoop 2.9.0 to 2.9.1, 2.8.3 to 2.8.4, 2.7.5 to 2.7.6, KMS blocking users or granting access to users incorrectly, if the system uses non-default groups mapping mechanisms.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, service disruption.
Exploit odds: 3.7% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2019-03-21 16:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 01:36 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 3.7% in the next 30 days (EPSS).
Severity: 7.4 HIGH (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2019-03-21 16:00 UTC
Last modified: 2026-06-17 01:36 UTC
Exploit probability: 3.7% · EPSS, next 30 days
Weakness: CWE-269 · Improper privilege management
Record status: Modified

Affected

Apache Hadoop ≤ 2.7.6
Apache Hadoop ≤ 2.8.4
Apache Hadoop ≤ 2.9.1

Attack profile CVSS 3.0 · 7.4

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: High

Raw vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H

Is it in your code?

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References

NVD record · CVE.org record