CVE-2025-30677 MEDIUM

CVE-2025-30677: Apache Pulsar IO Kafka Connector, Apache Pulsar IO Kafka Connect Adaptor: Sensitive information logged in Pulsar's Apache Kafka Connectors

Vendor Apache Software Foundation
Product Apache Pulsar IO Kafka Connector
Weakness CWE-532 · Sensitive info in logs
Published April 9, 2025
Last update April 9, 2025

CVSS base score

6.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N

What the vulnerability does

Description

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.

Key dates

Disclosure timeline

April 9, 2025 CVE published
April 9, 2025 Record updated