How severe is CVE-2019-14540?

CVE-2019-14540 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-14540 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-14540?

CVE-2019-14540 primarily affects Fasterxml Jackson-databind. In total, 44 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-14540?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-14540 published?

CVE-2019-14540 was published on 2019-09-15 and last updated on 2026-06-17.

CVE-2019-14540

CVE-2019-14540 is a critical-severity vulnerability in Fasterxml Jackson-databind with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Fasterxml Jackson-databind
Published: 2019-09-15
Last modified: 2026-06-17

Description

A Polymorphic Typing issue was discovered in FasterXML jackson-databind before 2.9.10. It is related to com.zaxxer.hikari.HikariConfig.

Frequently asked questions

What is CVE-2019-14540?: A Polymorphic Typing issue was discovered in FasterXML jackson-databind before 2.9.10. It is related to com.zaxxer.hikari.HikariConfig.
How severe is CVE-2019-14540?: CVE-2019-14540 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-14540 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-14540?: CVE-2019-14540 primarily affects Fasterxml Jackson-databind. In total, 44 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-14540?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-14540 published?: CVE-2019-14540 was published on 2019-09-15 and last updated on 2026-06-17.

References

Affected products (44)

cpe:2.3:a:fasterxml:jackson-databind:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_api_services:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.2:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_platform:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_platform:2.4.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_platform:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_platform:2.6.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_platform:2.6.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_platform:2.7.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_platform:2.7.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:customer_management_and_segmentation_foundation:18.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:global_lifecycle_management_opatch:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:goldengate_application_adapters:19.1.0.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:goldengate_stream_analytics:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_gateway:15.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_gateway:15.2.18:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_gateway:16.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_gateway:16.2.11:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_gateway:17.12:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_gateway:17.12.6:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_gateway:18.8.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_gateway:18.8.8.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_unifier:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_unifier:16.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_unifier:16.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_unifier:18.8:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_unifier:19.12:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_customer_management_and_segmentation_foundation:17.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_xstore_point_of_service:7.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_xstore_point_of_service:15.0:*:*:*:*:*:*:*

More vulnerabilities in Fasterxml Jackson-databind

CVE-2018-14721 — Critical (CVSS 10.0): FasterXML jackson-databind 2.x before 2.9.7 might allow remote attackers to conduct server-side request forgery (SSRF)…
CVE-2019-14893 — Critical (CVSS 9.8): A flaw was discovered in FasterXML jackson-databind in all versions before 2.9.10 and 2.10.0, where it would permit…
CVE-2019-14892 — Critical (CVSS 9.8): A flaw was discovered in jackson-databind in versions before 2.9.10, 2.8.11.5 and 2.6.7.3, where it would permit…
CVE-2020-9548 — Critical (CVSS 9.8): FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing,…
CVE-2020-9547 — Critical (CVSS 9.8): FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing,…
CVE-2020-9546 — Critical (CVSS 9.8): FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing,…

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Browse all CWE-502 (Deserialization of Untrusted Data) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

124.223.78.215 (ipv4-addr)
14.18.113.233 (ipv4-addr)
47.254.27.38 (ipv4-addr)
120.55.5.49 (ipv4-addr)