← Vulnerability feed

Vulnerability record · CVE-2021-25642 · published 25 August 2022

CVE-2021-25642: Apache hadoop deserialization of untrusted data vulnerability

Apache · Hadoop

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.

8.8 CVSS 3.1 High EPSS 2.2% · top 17.9% CWE-502 · Deserialization of untrusted data
8.8CVSS 3.1 base score
2.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.apache.org/thread/g6vf2h4wdgzzdgk91mqozhs58wotq150 Mailing ListVendor Advisory
https://security.netapp.com/advisory/ntap-20221201-0003/ Third Party Advisory
https://lists.apache.org/thread/g6vf2h4wdgzzdgk91mqozhs58wotq150 Mailing ListVendor Advisory
https://security.netapp.com/advisory/ntap-20221201-0003/ Third Party Advisory

Track CVE-2021-25642 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-25168Apache hadoop os command injection vulnerabilityApache Hadoop's FileUtil.unTar(File, File) API does not escape the input file name before being passed to the shell. An attacker can inject arbitrary…EPSS 4.2%9.8CVE-2021-37404Apache hadoop out-of-bounds write vulnerabilityThere is a potential heap buffer overflow in Apache Hadoop libhdfs native code. Opening a file path provided by user without validation may result in…EPSS 2.9%9.8CVE-2022-26612Apache hadoop link following vulnerabilityIn Apache Hadoop, The unTar function uses unTarUsingJava function on Windows and the built-in tar utility on Unix and other OSes. As a result, a TAR …EPSS 4.2%9.8CVE-2019-17195Connect2id nimbus jose\+jwt vulnerabilityConnect2id Nimbus JOSE+JWT before v7.9 can throw various uncaught exceptions while parsing a JWT, which could result in an application crash (potenti…EPSS 11%9.8CVE-2017-15718Apache hadoop vulnerabilityThe YARN NodeManager in Apache Hadoop 2.7.3 and 2.7.4 can leak the password for credential store provider used by the NodeManager to YARN Application…EPSS 3.6%9.8CVE-2012-4449Apache hadoop broken cryptographic algorithm vulnerabilityApache Hadoop before 0.23.4, 1.x before 1.0.4, and 2.x before 2.0.2 generate token passwords using a 20-bit secret when Kerberos security features ar…EPSS 1.2%9.8CVE-2016-3086Apache hadoop information exposure vulnerabilityThe YARN NodeManager in Apache Hadoop 2.6.x before 2.6.5 and 2.7.x before 2.7.3 can leak the password for credential store provider used by the NodeM…EPSS 3.7%8.8CVE-2021-33036Apache hadoop permissions and access controls vulnerabilityIn Apache Hadoop 2.2.0 to 2.10.1, 3.0.0-alpha1 to 3.1.4, 3.2.0 to 3.2.2, and 3.3.0 to 3.3.1, a user who can escalate to yarn user can possibly run ar…EPSS 3.9%

Source: NIST National Vulnerability Database (record CVE-2021-25642), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.