CVE-2021-25642
8.8 · HIGHOverview
CVE-2021-25642 is a high-severity vulnerability affecting apache hadoop. It was published on August 25, 2022 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from apache. Update hadoop to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| apache | hadoop | >= 2.9.0, < 2.10.2 | Affected |
Frequently Asked Questions
What is CVE-2021-25642?
CVE-2021-25642 is a high-severity vulnerability affecting apache hadoop. It was published on August 25, 2022 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2021-25642?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-25642?
Check the references section for vendor advisories and patches from apache. Update hadoop to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-25642?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-25642 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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