How severe is CVE-2020-9548?

CVE-2020-9548 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-2020-9548 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9548?

CVE-2020-9548 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-2020-9548?

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-2020-9548 published?

CVE-2020-9548 was published on 2020-03-02 and last updated on 2026-06-17.

CVE-2020-9548

CVE-2020-9548 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 18% places it in the 97th 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: 6.8
EPSS exploit prediction: 18% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Fasterxml Jackson-databind
Published: 2020-03-02
Last modified: 2026-06-17

Description

FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to br.com.anteros.dbcp.AnterosDBCPConfig (aka anteros-core).

Frequently asked questions

What is CVE-2020-9548?: FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to br.com.anteros.dbcp.AnterosDBCPConfig (aka anteros-core).
How severe is CVE-2020-9548?: CVE-2020-9548 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-2020-9548 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9548?: CVE-2020-9548 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-2020-9548?: 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-2020-9548 published?: CVE-2020-9548 was published on 2020-03-02 and last updated on 2026-06-17.

References

Affected products (44)

cpe:2.3:a:fasterxml:jackson-databind:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:linux:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:windows:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:agile_plm:9.3.6:*:*:*:*:*:*:*
cpe:2.3:a:oracle:autovue_for_agile_product_lifecycle_management:21.0.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_digital_experience:18.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_digital_experience:18.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_digital_experience:18.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_digital_experience:19.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_digital_experience:19.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_digital_experience:20.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_platform:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_calendar_server:8.0.0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_contacts_server:8.0.0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_contacts_server:8.0.0.5.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_element_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_evolved_communications_application_server:7.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_instant_messaging_server:10.0.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_network_charging_and_control:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_network_charging_and_control:6.0.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_session_report_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_session_route_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_manager_base_platform:13.3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_manager_base_platform:13.4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:global_lifecycle_management_opatch:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jd_edwards_enterpriseone_orchestrator:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*
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_merchandising_system:15.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_sales_audit:14.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_xstore_point_of_service:15.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_xstore_point_of_service:16.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_xstore_point_of_service:17.0:*:*:*:*:*:*:*

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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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