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Vulnerability Assessment

Weakness
CWE
CWE-203
ASVS 5.0
V6 - Authentication Timing-safe comparisons
Impact

CVSS score of 5.9 (MEDIUM). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 5.8% exploitation probability (EPSS)

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AnalysisAI

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. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected Packages

maven org.apache.kafka:kafka-clients fix: 2.6.3, 2.7.2, 2.8.1
maven org.apache.kafka:kafka_2.11 no fix
maven org.apache.kafka:kafka_2.12 fix: 2.6.3, 2.7.2, 2.8.1
maven org.apache.kafka:kafka_2.13 fix: 2.6.3, 2.7.2, 2.8.1

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 4 packages in maven

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Technical ContextAI · show details

This vulnerability is classified under CWE-203. 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. Affected products include: Apache Kafka, Quarkus, Oracle Communications Brm - Elastic Charging Engine, Oracle Communications Cloud Native Core Policy, Oracle Financial Services Analytical Applications Infrastructure.

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Severity by source

NVD PRIMARY 5.9 MEDIUM
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

DescriptionNVD

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.

Threat Intelligence Overview

EPSS Score
5.8%
Top 8% exploitable
Data Quality
2 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 5.8%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: +6
CVSS: +30
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:apache:kafka:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:kafka:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:kafka:2.8.0:-:*:*:*:*:*:*
cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_brm_-_elastic_charging_engine:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_brm_-_elastic_charging_engine:12.0.0.5.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.15.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_behavior_detection_platform:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_behavior_detection_platform:8.1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_behavior_detection_platform:8.1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_behavior_detection_platform:8.1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_enterprise_case_management:8.0.7.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_enterprise_case_management:8.0.7.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_enterprise_case_management:8.0.8.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_enterprise_case_management:8.0.8.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_enterprise_case_management:8.1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_enterprise_case_management:8.1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_unifier:18.8:*:*:*:*:*:*:*
+ 3 more

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Same weakness CWE-203 – Observable Discrepancy

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CVE-2017-5753 MEDIUM POC
5.6
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CVE-2017-13098 HIGH POC
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CVE-2017-17427 MEDIUM POC
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CVE-2019-25337 CRITICAL POC
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CVE-2025-68613 HIGH POC
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CVE-2017-0147 HIGH POC
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References

Advisories & patches
PATCH https://www.oracle.com/security-alerts/cpuapr2022.html ADVISORY https://kafka.apache.org/cve-list REF https://lists.apache.org/thread.html/r26390c8b09ecfa356582d665b0c01f4cdcf16ac047c85f9f9f06a88c%40%3Cdev.kafka.apache.org%3E REF https://lists.apache.org/thread.html/r26390c8b09ecfa356582d665b0c01f4cdcf16ac047c85f9f9f06a88c%40%3Cusers.kafka.apache.org%3E REF https://lists.apache.org/thread.html/r35322aec467ddae34002690edaa4d9f16e7df9b5bf7164869b75b62c%40%3Cdev.kafka.apache.org%3E REF https://lists.apache.org/thread.html/r45cc0602d5f2cbb72e48896dfadf5e5b87ed85630449598b40e8f0be%40%3Cdev.kafka.apache.org%3E REF https://lists.apache.org/thread.html/r45cc0602d5f2cbb72e48896dfadf5e5b87ed85630449598b40e8f0be%40%3Cusers.kafka.apache.org%3E REF https://lists.apache.org/thread.html/rd9ef217b09fdefaf32a4e1835b59b96629542db57e1f63edb8b006e6%40%3Cdev.kafka.apache.org%3E REF https://lists.apache.org/thread.html/rd9ef217b09fdefaf32a4e1835b59b96629542db57e1f63edb8b006e6%40%3Cusers.kafka.apache.org%3E REF https://www.oracle.com/security-alerts/cpujan2022.html REF https://www.oracle.com/security-alerts/cpujul2022.html

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