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Fencer Intel
medium 5.3

CVE-2020-28500 json

Regular Expression Denial of Service (ReDoS)

published 5y ago modified last mo. also GHSA-29mw-wpgm-hmr9 , EUVD-2022-0424

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
7.3%
EPSS 7.3% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

Lodash versions prior to 4.17.21 are vulnerable to Regular Expression Denial of Service (ReDoS) via the toNumber, trim and trimEnd functions.

Patch / fix

  • npm lodash 4.17.21
  • npm lodash-es 4.17.21
  • rubygems lodash-rails 4.17.21
  • lodash lodash 4.17.21
  • oracle jd_edwards_enterpriseone_tools 9.2.6.1
  • siemens sinec_ins 1.0
  • node-lodash Debian 14, Debian 13, Debian 12 4.17.21+dfsg+~cs8.31.173-1

debian advisories DEBIAN-CVE-2020-28500

  • node-lodash Ubuntu Pro 18.04 LTS 4.17.4+dfsg-1ubuntu0.1~esm1
  • node-lodash Ubuntu Pro 20.04 LTS 4.17.15+dfsg-2ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2020-28500

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ovirt-web-ui rhev manager 4.4 1.6.9-1.el8ev
  • ovirt-engine-ui-extensions rhev manager 4.4 1.2.6-1.el8ev
  • cockpit-ovirt rhev hypervisor 4.4 0.15.1-2.el8ev
  • cockpit-ovirt-dashboard rhev hypervisor 4.4 0.15.1-2.el8ev

red hat advisories RHSA-2021:2179RHSA-2021:3459

Is CVE-2020-28500 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-28500 updated cvss 5.3

nodejs-lodash: ReDoS via the toNumber, trim and trimEnd functions

  • Red Hat OpenShift Service Mesh 2.0 servicemesh-grafana, servicemesh-prometheus, servicemesh-grafana-prometheus Red Hat Advanced Cluster Management for Kubernetes 2 search-api, console-api, kui-web-terminal, search-api-rhel8
    affected: no fix available
  • Red Hat OpenShift Container Platform 3.11 kibana
    affected: no fix planned “Will not fix”
  • Red Hat OpenShift Container Platform 4 rhel8/grafana, prometheus-promu, openshift-prometheus-promu, openshift4/ose-thanos-rhel9, golang-github-prometheus-promu, openshift4/ose-metering-hadoop, +1 more
    affected: no fix available, no fix planned “Will not fix”
  • Red Hat Quay 3 quay
    affected: no fix planned “Will not fix”
  • Red Hat Migration Toolkit 1.7 rhmtc/openshift-migration-ui-rhel8 v1.7.4-12
    fixed: vendor fix RHSA-2022:6429
  • Red Hat OpenShift Container Platform 4.8 openshift4/ose-console v4.8.0-202107010336.p0.git.188a490.assembly.stream, openshift4/ose-grafana v4.8.0-202106291913.p0.git.b987e4b.assembly.stream, openshift4/ose-prometheus v4.8.0-202106291913.p0.git.f3beb88.assembly.stream, openshift4/ose-thanos-rhel8 v4.8.0-202106291913.p0.git.c358e96.assembly.stream
    fixed: vendor fix RHSA-2021:2438
  • Red Hat OpenShift Jaeger 1.20 distributed-tracing/jaeger-query-rhel8 1.20.4-18, distributed-tracing/jaeger-all-in-one-rhel8 1.20.4-18
    fixed: vendor fix RHSA-2021:2543
  • 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
    fixed: vendor fix RHSA-2021:3459
show 2 more
  • Red Hat RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4 ovirt-web-ui 1.6.9-1.el8ev, ovirt-engine-ui-extensions 1.2.6-1.el8ev
    fixed: vendor fix RHSA-2021:2179
  • Red Hat Advanced Cluster Management for Kubernetes 2 grc-ui, console-ui, grc-ui-api, mcm-topology, console-header, mcm-topology-api Red Hat Ansible Automation Platform 1.2 lodash Red Hat Decision Manager 7 lodash Red Hat Migration Toolkit 1.7 rhmtc/openshift-velero-plugin-rhel8 v1.7.4-6, rhmtc/openshift-migration-velero-rhel8 v1.7.4-6, rhmtc/openshift-migration-openvpn-rhel8 v1.7.4-7, rhmtc/openshift-migration-registry-rhel8 v1.7.4-7, rhmtc/openshift-migration-rhel8-operator v1.7.4-15, rhmtc/openshift-migration-controller-rhel8 v1.7.4-7, +10 more Red Hat OpenShift Container Platform 4 kibana, openshift4/ose-logging-kibana6 Red Hat OpenShift Container Platform 4.8 openshift4/ose-cli v4.8.0-202106291725.p0.git.1077b05.assembly.stream, openshift4/ose-pod v4.8.0-202107161820.p0.git.051ac4f.assembly.stream, openshift4/ose-etcd v4.8.0-202106152230.p0.git.aefa6bf.assembly.stream, openshift4/ose-tests v4.8.0-202107131424.p0.git.0d958c3.assembly.stream, openshift4/ose-coredns v4.8.0-202106291913.p0.git.642b46e.assembly.stream, openshift4/ose-jenkins v4.8.0-202106291913.p0.git.6c68667.assembly.stream, +132 more
    +5 more products
    Red Hat OpenShift Jaeger 1.20 distributed-tracing/jaeger-agent-rhel8 1.20.4-18, distributed-tracing/jaeger-ingester-rhel8 1.20.4-17, distributed-tracing/jaeger-rhel8-operator 1.20.4-18, distributed-tracing/jaeger-collector-rhel8 1.20.4-18, distributed-tracing/jaeger-es-rollover-rhel8 1.20.4-7, distributed-tracing/jaeger-es-index-cleaner-rhel8 1.20.4-7 Red Hat Process Automation 7 lodash Red Hat Virtualization 4 Hypervisor for RHEL 8 vdsm 4.40.80.5-1.el8ev, vdsm-hook-fcoe 4.40.80.5-1.el8ev, vdsm-hook-vhostmd 4.40.80.5-1.el8ev, vdsm-hook-checkips 4.40.80.5-1.el8ev, vdsm-hook-cpuflags 4.40.80.5-1.el8ev, vdsm-hook-nestedvt 4.40.80.5-1.el8ev, +4 more Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts vdsm 4.40.80.5-1.el8ev, ovirt-host 4.4.8-2.el8ev, vdsm-api 4.40.80.5-1.el8ev, vdsm-http 4.40.80.5-1.el8ev, vdsm-client 4.40.80.5-1.el8ev, vdsm-common 4.40.80.5-1.el8ev, +17 more Red Hat RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4 rhvm 4.4.6.6-0.10.el8ev, engine-db-query 1.6.3-1.el8ev, ovirt-cockpit-sso 0.1.4-2.el8ev, ovirt-engine 4.4.6.6-0.10.el8ev, rhvm-branding-rhv 4.4.8-1.el8ev, ovirt-engine-dwh 4.4.6.2-1.el8ev, +21 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
last mo.

Exploit prediction

7.34% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • snyk.io https://snyk.io/vuln/SNYK-JS-LODASH-1018905 referenced PoC, tagged "exploit" by a source, unverified
  • snyk.io https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1074892 referenced PoC, tagged "exploit" by a source, unverified
  • snyk.io https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1074893 referenced PoC, tagged "exploit" by a source, unverified
  • snyk.io https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1074894 referenced PoC, tagged "exploit" by a source, unverified
  • snyk.io https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBLODASH-1074895 referenced PoC, tagged "exploit" by a source, unverified
  • snyk.io https://snyk.io/vuln/SNYK-JAVA-ORGFUJIONWEBJARS-1074896 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
npm lodash
>=4.0.0, <4.17.21
4.17.21
npm lodash-es
>=4.0.0, <4.17.21
4.17.21
npm lodash.trimend
>=4.0.0, <=4.5.1
 no fix listed
npm lodash.trim
>=4.0.0, <=4.5.1
 no fix listed
rubygems lodash-rails
>=4.0.0, <4.17.21
4.17.21

Affected products

  • n/a Lodash

Classification

Weakness
  • CWE-1333 Inefficient Regular Expression Complexity
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.