How severe is CVE-2021-23337?

CVE-2021-23337 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-23337 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23337?

CVE-2021-23337 primarily affects Lodash. In total, 45 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-23337?

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-2021-23337 published?

CVE-2021-23337 was published on 2021-02-15 and last updated on 2026-06-17.

CVE-2021-23337

CVE-2021-23337 is a high-severity vulnerability in Lodash with a CVSS 3.x base score of 7.2. Its EPSS exploit-prediction score of 22% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 22% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Lodash
Published: 2021-02-15
Last modified: 2026-06-17

Description

Lodash versions prior to 4.17.21 are vulnerable to Command Injection via the template function.

Frequently asked questions

What is CVE-2021-23337?: Lodash versions prior to 4.17.21 are vulnerable to Command Injection via the template function.
How severe is CVE-2021-23337?: CVE-2021-23337 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-23337 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23337?: CVE-2021-23337 primarily affects Lodash. In total, 45 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-23337?: 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-2021-23337 published?: CVE-2021-23337 was published on 2021-02-15 and last updated on 2026-06-17.

References

Affected products (45)

cpe:2.3:a:lodash:lodash:*:*:*:*:*:node.js:*:*
cpe:2.3:a:oracle:banking_corporate_lending_process_management:14.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_corporate_lending_process_management:14.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_corporate_lending_process_management:14.5.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_credit_facilities_process_management:14.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_credit_facilities_process_management:14.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_credit_facilities_process_management:14.5.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_extensibility_workbench:14.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_extensibility_workbench:14.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_extensibility_workbench:14.5.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_supply_chain_finance:14.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_supply_chain_finance:14.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_supply_chain_finance:14.5.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_trade_finance_process_management:14.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_trade_finance_process_management:14.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_trade_finance_process_management:14.5.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:1.9.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.11.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_design_studio:7.4.2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_services_gatekeeper:7.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_session_border_controller:8.4:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_session_border_controller:9.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_communications_broker:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_communications_broker:3.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_crime_and_compliance_management_studio:8.0.8.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_crime_and_compliance_management_studio:8.0.8.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:health_sciences_data_management_workbench:2.5.2.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:health_sciences_data_management_workbench:3.0.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*
cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.59:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_gateway:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_unifier:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_unifier:18.8:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_unifier:19.12:*:*:*:*:*:*:*
cpe:2.3:a:oracle:primavera_unifier:20.12:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_customer_management_and_segmentation_foundation:19.0:*:*:*:*:*:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:linux:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:*

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CVE-2019-10744 — Critical (CVSS 9.1): Versions of lodash lower than 4.17.12 are vulnerable to Prototype Pollution. The function defaultsDeep could be tricked…
CVE-2026-4800 — High (CVSS 8.1): Impact: The fix for CVE-2021-23337 (https://github.com/advisories/GHSA-35jh-r3h4-6jhm) added validation for the…
CVE-2020-8203 — High (CVSS 7.4): Prototype pollution attack when using _.zipObjectDeep in lodash before 4.17.20.
CVE-2026-2950 — Medium (CVSS 6.5): Impact: Lodash versions 4.17.23 and earlier are vulnerable to prototype pollution in the _.unset and _.omit functions.…
CVE-2019-1010266 — Medium (CVSS 6.5): lodash prior to 4.17.11 is affected by: CWE-400: Uncontrolled Resource Consumption. The impact is: Denial of service.…
CVE-2018-3721 — Medium (CVSS 6.5): lodash node module before 4.17.5 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via…

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CVE-2026-10561 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined…
CVE-2026-25470 — Critical (CVSS 10.0): Improper Control of Generation of Code ('Code Injection') vulnerability in ACPT ACPT (Pro) - Custom Post Types Plugin…
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