CVE-2021-25642 is a critical deserialization vulnerability affecting Apache Hadoop YARN when utilizing ZKConfigurationStore. An authenticated attacker with ZooKeeper access can exploit this flaw to execute arbitrary commands as the YARN user, leading to high impact on confidentiality, integrity, and availability. With a CVSS score of 8.8 (High), this vulnerability is relatively easy to exploit remotely. While there is no public exploit code or active exploitation reported, and minimal community discussion, users are strongly advised to upgrade to Apache Hadoop 2.10.2, 3.2.4, 3.3.4, or later versions to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.9.0, < 2.10.2CPE matchmatch criteria | cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:* | ||
>= 3.0.0, < 3.2.4CPE matchmatch criteria | cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:* | ||
>= 3.3.0, < 3.3.4CPE matchmatch criteria | cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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