Regular expression denial of service (ReDoS) in Lodash
Priority MEDIUM 40CWE-1333Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Partial Red Hat: 5 fixed, 5 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-1333.
Summary
Lodash versions prior to 4.17.21 are vulnerable to Regular Expression Denial of Service (ReDoS) via the toNumber, trim and trimEnd functions.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.07336 94th percentileScored 2026-11-07
Fix Partial Lodash: 4.17.21lodash (npm): 4.17.21+2 more productsRed Hat: 6 advisoriesRed Hat: 5 fixed, 5 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Lodash | before 4.17.21 | 4.17.21 | Patch available | CNA |
| — | lodash (npm) | 4.0.0 to before 4.17.21 | 4.17.21 | Patch available | GHSA-29mw-wpgm-hmr9 |
| — | lodash-es (npm) | 4.0.0 to before 4.17.21 | 4.17.21 | Patch available | GHSA-29mw-wpgm-hmr9 |
| — | lodash.trimend (npm) | 4.0.0 – 4.5.1 | — | No fix listed | GHSA-29mw-wpgm-hmr9 |
| — | lodash.trim (npm) | 4.0.0 – 4.5.1 | — | No fix listed | GHSA-29mw-wpgm-hmr9 |
| — | lodash-rails (RubyGems) | 4.0.0 to before 4.17.21 | 4.17.21 | Patch available | GHSA-29mw-wpgm-hmr9 |
- Lodash Vendor— Affected before 4.17.21 Fixed in 4.17.21 Patch available CNA
- lodash (npm) Vendor— Affected 4.0.0 to before 4.17.21 Fixed in 4.17.21 Patch available GHSA-29mw-wpgm-hmr9
- lodash-es (npm) Vendor— Affected 4.0.0 to before 4.17.21 Fixed in 4.17.21 Patch available GHSA-29mw-wpgm-hmr9
- lodash.trimend (npm) Vendor— Affected 4.0.0 – 4.5.1 Fixed in — No fix listed GHSA-29mw-wpgm-hmr9
- lodash.trim (npm) Vendor— Affected 4.0.0 – 4.5.1 Fixed in — No fix listed GHSA-29mw-wpgm-hmr9
- lodash-rails (RubyGems) Vendor— Affected 4.0.0 to before 4.17.21 Fixed in 4.17.21 Patch available GHSA-29mw-wpgm-hmr9
CPE configurations NVD · 39
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:lodash:lodash:*:*:*:*:*:node.js:*:* | before 4.17.21 | Vulnerable | lodash |
| cpe:2.3:a:oracle:banking_corporate_lending_process_management:14.2.0:*:*:*:*:*:*:* | 14.2.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:banking_corporate_lending_process_management:14.3.0:*:*:*:*:*:*:* | 14.3.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:banking_corporate_lending_process_management:14.5.0:*:*:*:*:*:*:* | 14.5.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:banking_credit_facilities_process_management:14.2.0:*:*:*:*:*:*:* | 14.2.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:banking_credit_facilities_process_management:14.3.0:*:*:*:*:*:*:* | 14.3.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:banking_credit_facilities_process_management:14.5.0:*:*:*:*:*:*:* | 14.5.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:banking_extensibility_workbench:14.2.0:*:*:*:*:*:*:* | 14.2.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:banking_extensibility_workbench:14.3.0:*:*:*:*:*:*:* | 14.3.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:banking_extensibility_workbench:14.5.0:*:*:*:*:*:*:* | 14.5.0 | Vulnerable | Oracle |
- cpe:2.3:a:lodash:lodash:*:*:*:*:*:node.js:*:* Versions before 4.17.21 Vulnerable ·lodash
- cpe:2.3:a:oracle:banking_corporate_lending_process_management:14.2.0:*:*:*:*:*:*:* Versions 14.2.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:banking_corporate_lending_process_management:14.3.0:*:*:*:*:*:*:* Versions 14.3.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:banking_corporate_lending_process_management:14.5.0:*:*:*:*:*:*:* Versions 14.5.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:banking_credit_facilities_process_management:14.2.0:*:*:*:*:*:*:* Versions 14.2.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:banking_credit_facilities_process_management:14.3.0:*:*:*:*:*:*:* Versions 14.3.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:banking_credit_facilities_process_management:14.5.0:*:*:*:*:*:*:* Versions 14.5.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:banking_extensibility_workbench:14.2.0:*:*:*:*:*:*:* Versions 14.2.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:banking_extensibility_workbench:14.3.0:*:*:*:*:*:*:* Versions 14.3.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:banking_extensibility_workbench:14.5.0:*:*:*:*:*:*:* Versions 14.5.0 Vulnerable ·Oracle
Show 29 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:oracle:banking_supply_chain_finance:14.2.0:*:*:*:*:*:*:* | 14.2.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:banking_supply_chain_finance:14.3.0:*:*:*:*:*:*:* | 14.3.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:banking_supply_chain_finance:14.5.0:*:*:*:*:*:*:* | 14.5.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:banking_trade_finance_process_management:14.2.0:*:*:*:*:*:*:* | 14.2.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:banking_trade_finance_process_management:14.3.0:*:*:*:*:*:*:* | 14.3.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:banking_trade_finance_process_management:14.5.0:*:*:*:*:*:*:* | 14.5.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.11.0:*:*:*:*:*:*:* | 1.11.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:communications_design_studio:7.4.2:*:*:*:*:*:*:* | 7.4.2 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:communications_services_gatekeeper:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:communications_session_border_controller:8.4:*:*:*:*:*:*:* | 8.4 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:communications_session_border_controller:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:enterprise_communications_broker:3.2.0:*:*:*:*:*:*:* | 3.2.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:enterprise_communications_broker:3.3.0:*:*:*:*:*:*:* | 3.3.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:financial_services_crime_and_compliance_management_studio:8.0.8.2.0:*:*:*:*:*:*:* | 8.0.8.2.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:financial_services_crime_and_compliance_management_studio:8.0.8.3.0:*:*:*:*:*:*:* | 8.0.8.3.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:health_sciences_data_management_workbench:2.5.2.1:*:*:*:*:*:*:* | 2.5.2.1 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:health_sciences_data_management_workbench:3.0.0.0:*:*:*:*:*:*:* | 3.0.0.0 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:* | before 9.2.6.1 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:* | 8.58 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.59:*:*:*:*:*:*:* | 8.59 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:primavera_gateway:*:*:*:*:*:*:*:* | 17.12.0 – 17.12.11; 18.8.0 – 18.8.12; 19.12.0 – 19.12.11; 20.12.0 – 20.12.7 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:primavera_unifier:*:*:*:*:*:*:*:* | 17.7 – 17.12 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:primavera_unifier:18.8:*:*:*:*:*:*:* | 18.8 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:primavera_unifier:19.12:*:*:*:*:*:*:* | 19.12 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:primavera_unifier:20.12:*:*:*:*:*:*:* | 20.12 | Vulnerable | Oracle |
| cpe:2.3:a:oracle:retail_customer_management_and_segmentation_foundation:19.0:*:*:*:*:*:*:* | 19.0 | Vulnerable | Oracle |
| cpe:2.3:a:siemens:sinec_ins:*:*:*:*:*:*:*:* | before 1.0 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:sinec_ins:1.0:-:*:*:*:*:*:* | 1.0 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:sinec_ins:1.0:sp1:*:*:*:*:*:* | 1.0 sp1 | Vulnerable | Siemens |
- cpe:2.3:a:oracle:banking_supply_chain_finance:14.2.0:*:*:*:*:*:*:* Versions 14.2.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:banking_supply_chain_finance:14.3.0:*:*:*:*:*:*:* Versions 14.3.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:banking_supply_chain_finance:14.5.0:*:*:*:*:*:*:* Versions 14.5.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:banking_trade_finance_process_management:14.2.0:*:*:*:*:*:*:* Versions 14.2.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:banking_trade_finance_process_management:14.3.0:*:*:*:*:*:*:* Versions 14.3.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:banking_trade_finance_process_management:14.5.0:*:*:*:*:*:*:* Versions 14.5.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.11.0:*:*:*:*:*:*:* Versions 1.11.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:communications_design_studio:7.4.2:*:*:*:*:*:*:* Versions 7.4.2 Vulnerable ·Oracle
- cpe:2.3:a:oracle:communications_services_gatekeeper:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:communications_session_border_controller:8.4:*:*:*:*:*:*:* Versions 8.4 Vulnerable ·Oracle
- cpe:2.3:a:oracle:communications_session_border_controller:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:enterprise_communications_broker:3.2.0:*:*:*:*:*:*:* Versions 3.2.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:enterprise_communications_broker:3.3.0:*:*:*:*:*:*:* Versions 3.3.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:financial_services_crime_and_compliance_management_studio:8.0.8.2.0:*:*:*:*:*:*:* Versions 8.0.8.2.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:financial_services_crime_and_compliance_management_studio:8.0.8.3.0:*:*:*:*:*:*:* Versions 8.0.8.3.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:health_sciences_data_management_workbench:2.5.2.1:*:*:*:*:*:*:* Versions 2.5.2.1 Vulnerable ·Oracle
- cpe:2.3:a:oracle:health_sciences_data_management_workbench:3.0.0.0:*:*:*:*:*:*:* Versions 3.0.0.0 Vulnerable ·Oracle
- cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:* Versions before 9.2.6.1 Vulnerable ·Oracle
- cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:* Versions 8.58 Vulnerable ·Oracle
- cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.59:*:*:*:*:*:*:* Versions 8.59 Vulnerable ·Oracle
- cpe:2.3:a:oracle:primavera_gateway:*:*:*:*:*:*:*:* Versions 17.12.0 – 17.12.11; 18.8.0 – 18.8.12; 19.12.0 – 19.12.11; 20.12.0 – 20.12.7 Vulnerable ·Oracle
- cpe:2.3:a:oracle:primavera_unifier:*:*:*:*:*:*:*:* Versions 17.7 – 17.12 Vulnerable ·Oracle
- cpe:2.3:a:oracle:primavera_unifier:18.8:*:*:*:*:*:*:* Versions 18.8 Vulnerable ·Oracle
- cpe:2.3:a:oracle:primavera_unifier:19.12:*:*:*:*:*:*:* Versions 19.12 Vulnerable ·Oracle
- cpe:2.3:a:oracle:primavera_unifier:20.12:*:*:*:*:*:*:* Versions 20.12 Vulnerable ·Oracle
- cpe:2.3:a:oracle:retail_customer_management_and_segmentation_foundation:19.0:*:*:*:*:*:*:* Versions 19.0 Vulnerable ·Oracle
- cpe:2.3:a:siemens:sinec_ins:*:*:*:*:*:*:*:* Versions before 1.0 Vulnerable ·Siemens
- cpe:2.3:a:siemens:sinec_ins:1.0:-:*:*:*:*:*:* Versions 1.0 Vulnerable ·Siemens
- cpe:2.3:a:siemens:sinec_ins:1.0:sp1:*:*:*:*:*:* Versions 1.0 sp1 Vulnerable ·Siemens
Remediation
- Fix · CNA Lodash Fixed in 4.17.21
- Fix · GHSA-29mw-wpgm-hmr9 lodash (npm) Fixed in 4.17.21 Advisory →
- Fix · GHSA-29mw-wpgm-hmr9 lodash-es (npm) Fixed in 4.17.21 Advisory →
- Fix · GHSA-29mw-wpgm-hmr9 lodash-rails (RubyGems) Fixed in 4.17.21 Advisory →
Red Hat 6 advisories
- RHSA-2022:6429 Released 2022-09-13 · Red Hat rating ImportantMigration Toolkit for Containers (MTC) 1.7.4 security and bug fix update
- 8Base-RHMTC-1.7 rhmtc/openshift-migration-controller-rhel8, rhmtc/openshift-migration-must-gather-rhel8, rhmtc/openshift-migration-registry-rhel8 +7
- RHSA-2021:3459 Released 2021-09-08 · Red Hat rating ModerateRed Hat Virtualization Host security and bug fix update [ovirt-4.4.8]
- Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts cockpit-ovirt-0.15.1-2.el8ev, cockpit-ovirt-dashboard-0.15.1-2.el8ev
- RHSA-2021:2438 Released 2021-07-27 · Red Hat rating ModerateOpenShift Container Platform 4.8.2 bug fix and security update
- Red Hat OpenShift Container Platform 4.8 openshift4/driver-toolkit-rhel8, openshift4/egress-router-cni-rhel8, openshift4/network-tools-rhel8 +47
Show 3 more Red Hat advisories
- RHSA-2021:2543 Released 2021-06-24 · Red Hat rating ModerateRed Hat OpenShift Jaeger 1.20.4 security update
- Red Hat OpenShift Jaeger 1.20 distributed-tracing/jaeger-agent-rhel8, distributed-tracing/jaeger-all-in-one-rhel8, distributed-tracing/jaeger-collector-rhel8 +5
- RHSA-2021:2179 Released 2021-06-01 · Red Hat rating ModerateRHV Manager security update (ovirt-engine) [ovirt-4.4.6]
- RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4 ovirt-engine-ui-extensions-1.2.6-1.el8ev, ovirt-web-ui-1.6.9-1.el8ev
- RHSA-2021:1168 Released 2021-04-13 · Red Hat rating ImportantRed Hat Advanced Cluster Management 2.2.2 security and bug fix update
- Red Hat Advanced Cluster Management for Kubernetes 2.2 for RHEL 7 rhacm2/management-ingress-rhel7, rhacm2/memcached-exporter-rhel7, rhacm2/openshift-hive-rhel7 +2
- Red Hat Advanced Cluster Management for Kubernetes 2.2 for RHEL 8 rhacm2/acm-must-gather-rhel8, rhacm2/acm-operator-bundle, rhacm2/acmesolver-rhel8 +47
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| OpenShift Service Mesh 2.0 | Affected | No fix yet |
| Red Hat Advanced Cluster Management for Kubernetes 2 | Affected | No fix yet |
| Red Hat OpenShift Container Platform 3.11 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet |
| Red Hat Quay 3 | Affected | No fix planned: Will not fix |
| 8Base-RHMTC-1.7 | Fixed | RHSA-2022:6429 |
| RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4 | Fixed | RHSA-2021:2179 |
| Red Hat OpenShift Container Platform 4.8 | Fixed | RHSA-2021:2438 |
| Red Hat OpenShift Jaeger 1.20 | Fixed | RHSA-2021:2543 |
| Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts | Fixed | RHSA-2021:3459 |
Not affected: 11 products
- 8Base-RHMTC-1.7
- RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4
- Red Hat Advanced Cluster Management for Kubernetes 2
- Red Hat Ansible Automation Platform 1.2
- Red Hat Decision Manager 7
- Red Hat OpenShift Container Platform 4
- Red Hat OpenShift Container Platform 4.8
- Red Hat OpenShift Jaeger 1.20
- Red Hat Process Automation 7
- Red Hat Virtualization 4 Hypervisor for RHEL 8
- Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts
Timeline
- 2026-10-02 Threatist record created from CVE-2020-28500
- 2026-10-03 Alias added: GHSA-29mw-wpgm-hmr9
- 2026-10-08 CISA SSVC decision points changed
- 2026-10-09 Priority changed: LOW → MEDIUM
References
Patch 5
Advisory 3
Other 7
- https://github.com/lodash/lodash/blob/npm/trimEnd.js%23L8
- https://github.com/github/advisory-database/pull/6139
- https://github.com/lodash/lodash/pull/5065/commits/02906b8191d3c100c193fe6f7b27d1c40f200bb7
- https://github.com/lodash/lodash/commit/c4847ebe7d14540bb28a8b932a9ce1b9ecbfee1a
- https://security.netapp.com/advisory/ntap-20210312-0006
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/lodash-rails/CVE-2020-28500.yml
- https://github.com/lodash/lodash
Sources
- CVE-2020-28500 · CVE Program
- CVE-2020-28500 · NVD
- FIRST EPSS
- GHSA-29mw-wpgm-hmr9 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-28500 · Red Hat security data · CC BY 4.0
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