Vulnerability Details : 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.
Published 2022-08-25 14:15:09
Updated 2023-02-10 17:37:08
Source Apache Software Foundation
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-25642

EPSS FAQ
0.29%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 69 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-25642

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
 NIST

CWE ids for CVE-2021-25642

  • The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
    Assigned by:
    • nvd@nist.gov (Secondary)
    • security@apache.org (Primary)

References for CVE-2021-25642

Products affected by CVE-2021-25642

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