The vulnerability identified as CVE-2025-53671 affects the Jenkins Nouvola DiveCloud Plugin version 1.08 and earlier. This plugin integrates DiveCloud services within the Jenkins automation server environment. The core issue lies in the plugin's failure to mask sensitive information, specifically DiveCloud API Keys and Credentials Encryption Keys, when these are displayed on the job configuration form within Jenkins. Normally, such sensitive credentials should be obfuscated or masked to prevent unauthorized viewing. However, due to this vulnerability, these keys are exposed in plaintext on the configuration interface. This exposure increases the risk that an attacker with access to the Jenkins job configuration page—either through legitimate access or via a compromised account—could observe and capture these credentials. The stolen API keys could then be used to access DiveCloud services with the privileges of the compromised keys, potentially leading to unauthorized actions such as data exfiltration, manipulation of cloud resources, or further lateral movement within the victim's infrastructure. The vulnerability does not require exploitation through code execution or complex attack vectors but relies on the visibility of sensitive data in the user interface. There is no CVSS score assigned yet, and no known exploits are reported in the wild as of the publication date. However, the risk remains significant due to the nature of the exposed credentials and the critical role Jenkins plays in continuous integration and deployment pipelines.

For European organizations, this vulnerability poses a considerable risk, especially for those heavily reliant on Jenkins for their DevOps workflows and using the Nouvola DiveCloud Plugin to integrate cloud services. Exposure of API keys and encryption credentials can lead to unauthorized access to cloud resources, potentially resulting in data breaches, service disruptions, and compromise of intellectual property. Given the central role of Jenkins in automating software builds and deployments, an attacker leveraging stolen credentials could manipulate build processes, inject malicious code, or disrupt production environments. This could have cascading effects on business operations, regulatory compliance (e.g., GDPR), and customer trust. Additionally, organizations in sectors with high regulatory scrutiny such as finance, healthcare, and critical infrastructure in Europe may face increased legal and financial repercussions if such a breach occurs. The vulnerability's impact is amplified in environments where Jenkins access controls are insufficient or where multiple teams share job configuration privileges, increasing the attack surface for credential exposure.

To mitigate this vulnerability, European organizations should take the following specific actions: 1) Immediately audit Jenkins instances to identify usage of the Nouvola DiveCloud Plugin version 1.08 or earlier. 2) Upgrade the plugin to a patched version once available that properly masks API keys and encryption credentials in the UI. If no patch is yet released, consider disabling the plugin or restricting its use until a fix is applied. 3) Review and tighten Jenkins access controls to limit who can view or modify job configurations, ideally enforcing least privilege principles and role-based access control (RBAC). 4) Rotate all DiveCloud API keys and encryption credentials that may have been exposed, assuming potential compromise. 5) Implement monitoring and alerting on Jenkins job configuration changes and unusual API usage patterns in DiveCloud to detect potential exploitation attempts. 6) Educate DevOps and security teams about the risks of credential exposure in CI/CD pipelines and encourage secure handling of secrets, including use of credential management plugins that enforce masking and encryption. 7) Consider integrating secret scanning tools to detect exposed credentials in Jenkins configurations and logs proactively.