Vulnerability Report

CVE-2021-25642

RCE

Title: Apache Hadoop RCE

RCE

Proof Of Concept

PoC Available for CVE-2021-25642

CWE Category CWE-502
Published Date Aug 25, 2022
Modified Date Nov 21, 2024
Exploit Status Available
Score 8.8 CVSS v3.1
Exploit Probability (EPSS)
2.70%

Vulnerability Summary

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
Source Entity [email protected]
Severity HIGH
8.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-25642 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/safe3s/CVE-2021-25642
View Code
MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.