How severe is CVE-2022-23307?

CVE-2022-23307 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-23307 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 52% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-23307?

CVE-2022-23307 primarily affects Apache Chainsaw. In total, 39 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-23307?

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

When was CVE-2022-23307 published?

CVE-2022-23307 was published on 2022-01-18 and last updated on 2026-06-17.

CVE-2022-23307

CVE-2022-23307 is a high-severity vulnerability in Apache Chainsaw with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 52% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-502.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 52% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Apache Chainsaw
Published: 2022-01-18
Last modified: 2026-06-17

Description

CVE-2020-9493 identified a deserialization issue that was present in Apache Chainsaw. Prior to Chainsaw V2.0 Chainsaw was a component of Apache Log4j 1.2.x where the same issue exists.

Frequently asked questions

What is CVE-2022-23307?: CVE-2020-9493 identified a deserialization issue that was present in Apache Chainsaw. Prior to Chainsaw V2.0 Chainsaw was a component of Apache Log4j 1.2.x where the same issue exists.
How severe is CVE-2022-23307?: CVE-2022-23307 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-23307 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 52% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-23307?: CVE-2022-23307 primarily affects Apache Chainsaw. In total, 39 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-23307?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-23307 published?: CVE-2022-23307 was published on 2022-01-18 and last updated on 2026-06-17.

References

Affected products (39)

cpe:2.3:a:apache:chainsaw:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:log4j:*:*:*:*:*:*:*:*
cpe:2.3:a:qos:reload4j:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:advanced_supply_chain_planning:12.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:advanced_supply_chain_planning:12.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:business_intelligence:5.9.0.0.0:*:*:*:enterprise:*:*:*
cpe:2.3:a:oracle:business_intelligence:12.2.1.3.0:*:*:*:enterprise:*:*:*
cpe:2.3:a:oracle:business_intelligence:12.2.1.4.0:*:*:*:enterprise:*:*:*
cpe:2.3:a:oracle:business_process_management_suite:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:business_process_management_suite:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_eagle_ftp_table_base_retrieval:4.5:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_instant_messaging_server:10.0.1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_messaging_server:8.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_network_integrity:7.3.6:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_offline_mediation_controller:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_offline_mediation_controller:12.0.0.5.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_unified_inventory_management:7.4.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_unified_inventory_management:7.4.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:e-business_suite_cloud_manager_and_cloud_backup_module:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:e-business_suite_cloud_manager_and_cloud_backup_module:2.2.1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_manager_base_platform:13.4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_manager_base_platform:13.5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_revenue_management_and_billing_analytics:2.7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_revenue_management_and_billing_analytics:2.7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_revenue_management_and_billing_analytics:2.8.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:healthcare_foundation:8.1.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:hyperion_data_relationship_management:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:hyperion_infrastructure_technology:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:identity_management_suite:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:identity_management_suite:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:identity_manager_connector:11.1.1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jdeveloper:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:middleware_common_libraries_and_tools:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_extract_transform_and_load:13.2.5:*:*:*:*:*:*:*
cpe:2.3:a:oracle:tuxedo:12.2.2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:weblogic_server:12.2.1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:*

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