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Case File

CVE-2021-38153

MEDIUM · CVSS 5.9 EPSS 6.25%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-22 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.9. It affects Apache.

CVE
CVE-2021-38153
Severity
MEDIUM
CVSS
5.9
EPSS
6.25%
Apache

Original NVD Description

Some components in Apache Kafka use `Arrays.equals` to validate a password or key, which is vulnerable to timing attacks that make brute force attacks for such credentials more likely to be successful. Users should upgrade to 2.8.1 or higher, or 3.0.0 or higher where this vulnerability has been fixed. The affected versions include Apache Kafka 2.0.0, 2.0.1, 2.1.0, 2.1.1, 2.2.0, 2.2.1, 2.2.2, 2.3.0, 2.3.1, 2.4.0, 2.4.1, 2.5.0, 2.5.1, 2.6.0, 2.6.1, 2.6.2, 2.7.0, 2.7.1, and 2.8.0.

Related CVEs

Other vulnerabilities affecting the same vendor(s)