Vulnerability in Apache Kafka
CVE-2021-38153
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 high…
EPSS: 0.058 (92.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Apache Kafka — versions 2.8.0
- Apache Software Foundation Kafka — versions Apache Kafka 2.0.x, Apache Kafka 2.1.x, Apache Kafka 2.2.x
- Oracle Communications_brm_-_elastic_charging_engine — versions 12.0.0.5.0
- Oracle Communications_cloud_native_core_policy — versions 1.15.0
- Oracle Financial_services_analytical_applications_infrastructure
- Oracle Financial_services_behavior_detection_platform — versions 8.1.1.0, 8.1.1.1, 8.1.2.0
- Oracle Financial_services_enterprise_case_management — versions 8.0.7.1, 8.0.7.2, 8.0.8.0
- Oracle Primavera_unifier — versions 18.8, 19.12, 20.12
- Quarkus
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (x_refsource_MISC, Vendor Advisory)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (Third Party Advisory, x_refsource_MISC)
- security@apache.org (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-38153?
- CVE-2021-38153 is a medium-severity vulnerability in Apache Kafka, classified under Observable Discrepancy. CVSS score: 5.9/10. Published 2021-09-22.
- How severe is CVE-2021-38153?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2021-38153 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.