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High 8.8HealthcarePublished Jan 18, 2022
CVE-2022-23307A deserialization flaw in the Chainsaw component of Log4j 1 can lead to malicious code execution.
Updated under an hour ago ()
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It affects Apache Software Foundation Apache Log4j 1.x and 26 other products. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 54.41%, higher than 99% of scored CVEs. That is high: schedule it on your emergency patch path.
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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.
- CVSS
- 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-502
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 54.41% (percentile 99)
- Assigned by
- apache
- NVD analysis
- Modified
- Record last updated
- May 27, 2026
- First seen by InfoSec Signals
- Oct 12, 2026
Affected products
Apache Software Foundation Apache Log4j 1.x apache_software_foundation:apache_log4j_1.x (from the name) | from 1.2.1 before unspecified; from unspecified through 2.0-alpha1 | CNA record |
apache chainsaw apache:chainsaw | before 2.1.0 | NVD |
apache log4j apache:log4j | from 1.2 before 2.0 | NVD |
qos reload4j qos:reload4j | before 1.2.18.1 | NVD |
oracle advanced_supply_chain_planning oracle:advanced_supply_chain_planning | 12.1; 12.2 | NVD |
oracle business_intelligence oracle:business_intelligence | 5.9.0.0.0; 12.2.1.3.0; 12.2.1.4.0 | NVD |
oracle business_process_management_suite oracle:business_process_management_suite | 12.2.1.3.0; 12.2.1.4.0 | NVD |
oracle communications_eagle_ftp_table_base_retrieval oracle:communications_eagle_ftp_table_base_retrieval | 4.5 | NVD |
oracle communications_instant_messaging_server oracle:communications_instant_messaging_server | 10.0.1.5.0 | NVD |
oracle communications_messaging_server oracle:communications_messaging_server | 8.1 | NVD |
oracle communications_network_integrity oracle:communications_network_integrity | 7.3.6 | NVD |
oracle communications_offline_mediation_controller oracle:communications_offline_mediation_controller | before 12.0.0.4.4; 12.0.0.5.0 | NVD |
oracle communications_unified_inventory_management oracle:communications_unified_inventory_management | 7.4.1; 7.4.2 | NVD |
oracle e-business_suite_cloud_manager_and_cloud_backup_module oracle:e-business_suite_cloud_manager_and_cloud_backup_module | before 2.2.1.1.1; 2.2.1.1.1 | NVD |
oracle enterprise_manager_base_platform oracle:enterprise_manager_base_platform | 13.4.0.0; 13.5.0.0 | NVD |
oracle financial_services_revenue_management_and_billing_analytics oracle:financial_services_revenue_management_and_billing_analytics | 2.7.0.0; 2.7.0.1; 2.8.0.0 | NVD |
oracle healthcare_foundation oracle:healthcare_foundation | 8.1.0 | NVD |
oracle hyperion_data_relationship_management oracle:hyperion_data_relationship_management | before 11.2.8.0 | NVD |
oracle hyperion_infrastructure_technology oracle:hyperion_infrastructure_technology | before 11.2.8.0 | NVD |
oracle identity_management_suite oracle:identity_management_suite | 12.2.1.3.0; 12.2.1.4.0 | NVD |
oracle identity_manager_connector oracle:identity_manager_connector | 11.1.1.5.0 | NVD |
oracle jdeveloper oracle:jdeveloper | 12.2.1.3.0 | NVD |
oracle middleware_common_libraries_and_tools oracle:middleware_common_libraries_and_tools | 12.2.1.4.0 | NVD |
oracle mysql_enterprise_monitor oracle:mysql_enterprise_monitor | through 8.0.29 | NVD |
oracle retail_extract_transform_and_load oracle:retail_extract_transform_and_load | 13.2.5 | NVD |
oracle tuxedo oracle:tuxedo | 12.2.2.0.0 | NVD |
oracle weblogic_server oracle:weblogic_server | 12.2.1.3.0; 12.2.1.4.0; 14.1.1.0.0 | NVD |
References
- https://logging.apache.org/log4j/1.2/index.htmlx-refsource-misc, vendor-advisory
- https://lists.apache.org/thread/rg4yyc89vs3dw6kpy3r92xop9loywyhhx-refsource-misc, mailing-list, vendor-advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlx-refsource-misc, patch, third-party-advisory
- https://www.oracle.com/security-alerts/cpujul2022.htmlx-refsource-misc, patch, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.