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CVE-2021-38153

MEDIUMCVSS 5.9/10EPSS 5.77%

Last modified

CVE-2021-38153 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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. EPSS estimates a 5.77% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability
5.77%

92.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ApacheKafka>= 2.0.0, < 2.6.3
ApacheKafka>= 2.7.0, < 2.7.2
ApacheKafka2.8.0
QuarkusQuarkus< 2.2.4
OracleCommunications Brm - Elastic Charging Engine< 12.0.0.4.6
OracleCommunications Brm - Elastic Charging Engine12.0.0.5.0
OracleCommunications Cloud Native Core Policy1.15.0
OracleFinancial Services Analytical Applications Infrastructure>= 8.0.6.0, <= 8.0.9.0
OracleFinancial Services Analytical Applications Infrastructure>= 8.1.0.0.0, <= 8.1.20
OracleFinancial Services Behavior Detection Platform>= 8.0.6.0.0, <= 8.0.8.0
OracleFinancial Services Behavior Detection Platform8.1.1.0
OracleFinancial Services Behavior Detection Platform8.1.1.1
OracleFinancial Services Behavior Detection Platform8.1.2.0
OracleFinancial Services Enterprise Case Management8.0.7.1
OracleFinancial Services Enterprise Case Management8.0.7.2
OracleFinancial Services Enterprise Case Management8.0.8.0
OracleFinancial Services Enterprise Case Management8.0.8.1
OracleFinancial Services Enterprise Case Management8.1.1.0
OracleFinancial Services Enterprise Case Management8.1.1.1
OraclePrimavera Unifier18.8
OraclePrimavera Unifier19.12
OraclePrimavera Unifier20.12
OraclePrimavera Unifier21.12

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 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.
How severe is CVE-2021-38153?
CVE-2021-38153 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 5.77% probability of exploitation in the next 30 days.
How do I fix CVE-2021-38153?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST