CVE-2021-25642

HIGH

Apache Hadoop < 2.10.2 - Insecure Deserialization

Title source: rule

Description

ZKConfigurationStore which is optionally used by CapacityScheduler of Apache Hadoop YARN deserializes data obtained from ZooKeeper without validation. An attacker having access to ZooKeeper can run arbitrary commands as YARN user by exploiting this. Users should upgrade to Apache Hadoop 2.10.2, 3.2.4, 3.3.4 or later (containing YARN-11126) if ZKConfigurationStore is used.

Exploits (1)

nomisec STUB
by safe3s · poc
https://github.com/safe3s/CVE-2021-25642

References (2)

Scores

CVSS v3 8.8
EPSS 0.0270
EPSS Percentile 85.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-502
Status published

Affected Products (2)

apache/hadoop < 2.10.2
org.apache.hadoop/hadoop-yarn-server < 2.10.2Maven

Timeline

Published Aug 25, 2022
Tracked Since Feb 18, 2026