VULNERABILITY INTELLIGENCE

CVE-2021-25642

CVSS score8.8 HIGH

EPSS probability2.30%

CISA KEVNot currently listed

Published2022-08-25

Last modified2026-06-17

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

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.

Weakness classification

security@apache.org: CWE-502
nvd@nist.gov: CWE-502

Primary references

security@apache.org — Mailing List, Vendor Advisory
security@apache.org — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory