CVE-2021-25642

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.

CVSS v3.1

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

CVSS v3.1

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

EPSS

2.22% chance of exploitation in the next 30 days, 81th percentile

Published

2022-08-25

Updated

2024-08-03

Proof-of-concept exploits (1)

• safe3s/CVE-2021-256420★ · 2022-08-26

References

• CVE Record
• NVD entry

Related

• CVE-2022-21661
• CVE-2022-2185
• CVE-2022-26135
• CVE-2022-35416
• CVE-2022-39197
• CVE-2021-25641