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No exploitation reportedFix available

CVE-2020-8116

No exploitation reported by the sources we read.

  • Published2020-02-04
  • Fixed in5.1.1 · 4.2.1
  • WeaknessCWE-1321 · CWE-471

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Prototype pollution vulnerability in dot-prop npm package versions before 4.2.1 and versions 5.x before 5.1.1 allows an attacker to add arbitrary properties to JavaScript language constructs such as objects.

Timeline

dates in UTC
  1. 2020-02-0420:15CVE publishedNVD

Versions per branch

NVD · OSV
Dot-prop project dot-prop
BranchAffectedFixed in
5.x≥ 5.0.0, < 5.1.15.1.1
4.2< 4.2.14.2.1

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • @rootio/dot-propRoot:npmall versions · fixed in 4.2.0-root.io.1
  • dot-propRoot:npmall versions · fixed in 4.2.0-aikido.1
  • js-jqueryAzure Linux:3all versions · no fixed version listed
  • node-dot-propUbuntu:18.04:LTSall versions · no fixed version listed
  • node-dot-propDebian:14all versions · fixed in 5.2.0-1
  • node-dot-propDebian:13all versions · fixed in 5.2.0-1
  • node-dot-propDebian:12all versions · fixed in 5.2.0-1
  • nodejsRed Hat:rhel_eus:8.1::appstreamall versions · fixed in 1:12.18.4-2.module+el8.1.0+8360+14141500and 5 other packages

22 more package ranges on OSV.dev

Vendor advisories

  • CVE-2020-8116 Red Hat Product Security190 products fixed · 4 known affected

    nodejs-dot-prop: prototype pollution

    servicemesh-grafana as a component of OpenShift Service Mesh 1 · servicemesh-grafana-prometheus as a component of OpenShift Service Mesh 1 · servicemesh-grafana.src as a component of OpenShift Service Mesh 1 · +1 more

  • RHSA-2021:0548 Red Hat Product Security30 products fixed

    Red Hat Security Advisory: nodejs:10 security update

  • RHSA-2021:0521 Red Hat Product Security48 products fixed

    Red Hat Security Advisory: rh-nodejs10-nodejs security update

  • RHSA-2020:5086 Red Hat Product Security52 products fixed

    Red Hat Security Advisory: rh-nodejs12-nodejs security update

  • RHSA-2020:4903 Red Hat Product Security30 products fixed

    Red Hat Security Advisory: nodejs:12 security and bug fix update

  • RHSA-2020:4272 Red Hat Product Security30 products fixed

    Red Hat Security Advisory: nodejs:12 security and bug fix update

Full record on NVD

Fix

  1. Update Dot-prop project dot-prop to 5.1.1 · 4.2.1
  2. Vendor fix Red Hat Product Security RHSA-2021:0548 · 30 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  3. No fix available, says the vendor Red Hat Product Security CVE-2020-8116 · 4 productsFix deferred

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.17.3read 2026-10-23
  • NVDCVSS 2.07.5read 2026-10-23
  • CNAweakness (CWE)CWE-471known since 2026-10-23
  • NVDweakness (CWE)CWE-1321read 2026-10-23
  • FIRST EPSSEPSS score3.1 %2026-11-09
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryHIGH2020-07-29

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Published
2020-02-04
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-ff7x-qrg7-qggm

Frequently asked questions

What is CVE-2020-8116?

Prototype pollution vulnerability in dot-prop npm package versions before 4.2.1 and versions 5.x before 5.1.1 allows an attacker to add arbitrary properties to JavaScript language constructs such as objects.

Is CVE-2020-8116 actively exploited?

Active exploitation of CVE-2020-8116 has not been confirmed. Its EPSS score was 3.1% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-8116?

CVE-2020-8116 has a CVSS v3 base score of 7.3 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

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