Apache Pulsar I/O Kafka Connector up to 3.0.10/3.3.5/4.0.3 log file

Summaryinfo

A vulnerability was found in Apache Pulsar IO Kafka Connector and Pulsar IO Kafka Connect Adaptor up to 3.0.10/3.3.5/4.0.3. It has been declared as problematic. This affects an unknown function. Executing a manipulation can lead to log file. The identification of this vulnerability is CVE-2025-30677. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apache Pulsar IO Kafka Connector and Pulsar IO Kafka Connect Adaptor up to 3.0.10/3.3.5/4.0.3 and classified as problematic. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a log file vulnerability. The CWE definition for the vulnerability is CWE-532. Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information. As an impact it is known to affect confidentiality. CVE summarizes:

Apache Pulsar contains multiple connectors for integrating with Apache Kafka. The Pulsar IO Apache Kafka Source Connector, Sink Connector, and Kafka Connect Adaptor Sink Connector log sensitive configuration properties in plain text in application logs. This vulnerability can lead to unintended exposure of credentials in log files, potentially allowing attackers with access to these logs to obtain Apache Kafka credentials. The vulnerability's impact is limited by the fact that an attacker would need access to the application logs to exploit this issue. This issue affects Apache Pulsar IO's Apache Kafka connectors in all versions before 3.0.11, 3.3.6, and 4.0.4. 3.0.x version users should upgrade to at least 3.0.11. 3.3.x version users should upgrade to at least 3.3.6. 4.0.x version users should upgrade to at least 4.0.4. Users operating versions prior to those listed above should upgrade to the aforementioned patched versions or newer versions.

The advisory is available at lists.apache.org. This vulnerability was named CVE-2025-30677 since 03/25/2025. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

Upgrading to version 3.0.9, 3.3.4 or 4.0.2 eliminates this vulnerability.

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Productinfo

Vendor

• Apache

Name

• Pulsar IO Kafka Connect Adaptor
• Pulsar IO Kafka Connector

Version

• 3.0.0
• 3.0.1
• 3.0.2
• 3.0.3
• 3.0.4
• 3.0.5
• 3.0.6
• 3.0.7
• 3.0.8
• 3.0.9
• 3.0.10
• 3.3.0
• 3.3.1
• 3.3.2
• 3.3.3
• 3.3.4
• 3.3.5
• 4.0.0
• 4.0.1
• 4.0.2
• 4.0.3

License

• open-source

Website

• Vendor: https://www.apache.org/

CPE 2.3info

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CPE 2.2info

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