Vulnerability Snapshot
CVE-2019-17531 is rated CRITICAL — exploitation is trivial or already observed in the wild and impact is severe. Patch immediately, not on the next maintenance window.
Affected technology: jackson-databind, debian_linux, jboss_enterprise_application_platform, enterprise_linux_server, banking_platform, plus 5 other product variants.
Executive Summary
A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.0.0 through 2.9.10. When Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint and the service has the apache-log4j-extra (version 1.2.x) jar in the classpath, and an attacker can provide a JNDI service to access, it is possible to make the service execute a malicious payload.
Why It Matters
CVE-2019-17531 is rated CRITICAL severity, requiring immediate attention from security teams.
CVSS Base Score: 9.8/10
Affected Technologies
Vendors: fasterxml, debian, redhat, oracle, netapp
Products: jackson-databind, debian_linux, jboss_enterprise_application_platform, enterprise_linux_server, banking_platform, communications_billing_and_revenue_management, communications_calendar_server, communications_cloud_native_core_network_slice_selection_function, communications_evolved_communications_application_server, global_lifecycle_management_nextgen_oui_framework, goldengate_application_adapters, jd_edwards_enterpriseone_orchestrator, jd_edwards_enterpriseone_tools, primavera_gateway, retail_merchandising_system, retail_sales_audit, siebel_engineering_-_installer_\&_deployment, trace_file_analyzer, webcenter_portal, webcenter_sites, weblogic_server, oncommand_workflow_automation, steelstore_cloud_integrated_storage
🛡️What Defenders Should Check
Use Vulnios to continuously monitor your exposure to CVE-2019-17531 and similar vulnerabilities.
References & Sources
How Vulnios Detects This
Vulnios scans for this vulnerability using Trivy and Grype for CVE matching against your container images and OS package manifests. Run a scan against your environment to see whether you are exposed; findings are linked back to the original CVE record so triage starts with the patch path already known.
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Affected Products
Sources
Related Threat Alerts
- Critical Vulnerability: CVE-2019-16335 — fasterxml, fedoraproject — jackson-databind, fedora
- Critical Vulnerability: CVE-2019-14892 — fasterxml, redhat — jackson-databind, decision_manager
- Critical Vulnerability: CVE-2019-14379 — fasterxml, debian — jackson-databind, debian_linux
- Critical Vulnerability: CVE-2019-16942 — fasterxml, debian — jackson-databind, debian_linux
- Critical Vulnerability: CVE-2018-14718 — fasterxml, debian — jackson-databind, debian_linux
- Critical Vulnerability: CVE-2019-14540 — fasterxml, netapp — jackson-databind, oncommand_api_services
Frequently Asked Questions
What is CVE-2019-17531?
CVE-2019-17531 is a critical-severity vulnerability tracked under the Common Vulnerabilities and Exposures program. A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.0.0 through 2.9.10. When Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON
Am I affected?
Check whether your environment runs jackson-databind, debian_linux, jboss_enterprise_application_platform, enterprise_linux_server, banking_platform. If you operate any of those, treat yourself as in scope until you have evidence otherwise. A Vulnios scan will identify the exact assets carrying the affected version.
How urgent is the response?
Critical: do not wait for your normal patch cycle. Verify exposure today, apply the vendor patch immediately, and add detection rules for any post-exploit indicators.
How do I remediate?
Apply the vendor patch listed in the upstream advisory linked under Sources. If the patch is not yet available, follow the vendor-supplied workaround (often a config flag or feature disable) and add detections for the published exploit pattern in your SIEM. Re-scan after the patch lands to confirm the finding clears.
Where can I track exploitation activity?
Watch CISA's Known Exploited Vulnerabilities catalog for CVE-2019-17531. Cross-reference with public exploit databases and your own SIEM/IDS for indicator-of-compromise patterns. Vulnios tracks KEV status automatically and surfaces it on the asset findings view.
How does Vulnios help with this?
Vulnios continuously cross-references your asset inventory against the live CVE feed (NVD, vendor advisories, CISA KEV, and curated OSINT). When a new CVE matches your environment, you get a prioritized finding with the severity, KEV status, exploit-prediction (EPSS), and a direct path to the vendor patch. You can start a free scan from the homepage.
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