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CVE-2020-8116

dot-prop Prototype Pollution vulnerability

7.3 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

3.08%Down 1.4 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.3

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.

Record
CVE-2020-8116
CVSS 3.1
7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-471, CWE-1321
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2020-8116
Weakness
CWE-471
Updated
2026-11-02
EUVDEUVD-2020-0554 No score

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.

Record
EUVD-2020-0554
Updated
2026-11-03
GitHub AdvisoriesGHSA-ff7x-qrg7-qggm 7.3

dot-prop Prototype Pollution vulnerability

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.

Record
GHSA-ff7x-qrg7-qggm
CVSS 3.1
7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness
CWE-425, CWE-471, CWE-1321
Updated
2026-11-02
OSVAZL-45084 7.3

CVE-2020-8116 affecting package js-jquery 3.5.0-4

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.

Record
AZL-45084
CVSS 3.1
7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Updated
2026-11-05
OSV 7.3

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.

Record
CVE-2020-8116
CVSS 3.1
7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Updated
2026-11-02
Show 13 moreShow less
OSVDEBIAN-CVE-2020-8116 7.3

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.

Record
DEBIAN-CVE-2020-8116
CVSS 3.1
7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Updated
2026-11-02
OSVGHSA-ff7x-qrg7-qggm 7.3

dot-prop Prototype Pollution vulnerability

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.

Record
GHSA-ff7x-qrg7-qggm
CVSS 3.1
7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness
CWE-1321, CWE-425, CWE-471
Updated
2026-11-02
OSVRHSA-2020:4272 7.8

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

Record
RHSA-2020:4272
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2020:4903 7.8

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

Record
RHSA-2020:4903
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2020:5086 7.8

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

Record
RHSA-2020:5086
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2021:0521 8.1

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

Record
RHSA-2021:0521
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2021:0548 8.1

Red Hat Security Advisory: nodejs:10 security update

Record
RHSA-2021:0548
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRLSA-2020:4272 7.8

Moderate: nodejs:12 security and bug fix update

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language.

The following packages have been upgraded to a later upstream version: nodejs (12.18.4).

Security Fix(es):

  • nodejs-dot-prop: prototype pollution (CVE-2020-8116)

  • nodejs: HTTP request smuggling due to CR-to-Hyphen conversion (CVE-2020-8201)

  • npm: Sensitive information exposure through logs (CVE-2020-15095)

  • libuv: buffer overflow in realpath (CVE-2020-8252)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

  • The nodejs:12/development module is not installable (BZ#1883966)
Record
RLSA-2020:4272
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRLSA-2021:0548 8.1

Moderate: nodejs:10 security update

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language.

The following packages have been upgraded to a later upstream version: nodejs (10.23.1).

Security Fix(es):

  • libuv: buffer overflow in realpath (CVE-2020-8252)

  • nodejs-npm-user-validate: improper input validation when validating user emails leads to ReDoS (CVE-2020-7754)

  • nodejs-y18n: prototype pollution vulnerability (CVE-2020-7774)

  • nodejs-ini: prototype pollution via malicious INI file (CVE-2020-7788)

  • nodejs-dot-prop: prototype pollution (CVE-2020-8116)

  • nodejs: use-after-free in the TLS implementation (CVE-2020-8265)

  • npm: sensitive information exposure through logs (CVE-2020-15095)

  • nodejs-ajv: prototype pollution via crafted JSON schema in ajv.validate function (CVE-2020-15366)

  • nodejs-yargs-parser: prototype pollution vulnerability (CVE-2020-7608)

  • nodejs: HTTP request smuggling via two copies of a header field in an http request (CVE-2020-8287)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
RLSA-2021:0548
CVSS 3.1
8.1 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-8116 7.3

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.

Record
UBUNTU-CVE-2020-8116
CVSS 3.1
7.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Updated
2026-11-02
OSVALSA-2020:4272 No score

Moderate: nodejs:12 security and bug fix update

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language.

The following packages have been upgraded to a later upstream version: nodejs (12.18.4).

Security Fix(es):

  • nodejs-dot-prop: prototype pollution (CVE-2020-8116)

  • nodejs: HTTP request smuggling due to CR-to-Hyphen conversion (CVE-2020-8201)

  • npm: Sensitive information exposure through logs (CVE-2020-15095)

  • libuv: buffer overflow in realpath (CVE-2020-8252)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

  • The nodejs:12/development module is not installable (BZ#1883966)
Record
ALSA-2020:4272
Updated
2026-11-02
OSVALSA-2021:0548 No score

Moderate: nodejs:10 security update

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language.

The following packages have been upgraded to a later upstream version: nodejs (10.23.1).

Security Fix(es):

  • libuv: buffer overflow in realpath (CVE-2020-8252)

  • nodejs-npm-user-validate: improper input validation when validating user emails leads to ReDoS (CVE-2020-7754)

  • nodejs-y18n: prototype pollution vulnerability (CVE-2020-7774)

  • nodejs-ini: prototype pollution via malicious INI file (CVE-2020-7788)

  • nodejs-dot-prop: prototype pollution (CVE-2020-8116)

  • nodejs: use-after-free in the TLS implementation (CVE-2020-8265)

  • npm: sensitive information exposure through logs (CVE-2020-15095)

  • nodejs-ajv: prototype pollution via crafted JSON schema in ajv.validate function (CVE-2020-15366)

  • nodejs-yargs-parser: prototype pollution vulnerability (CVE-2020-7608)

  • nodejs: HTTP request smuggling via two copies of a header field in an http request (CVE-2020-8287)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
ALSA-2021:0548
Updated
2026-11-02
OSVROOT-APP-NPM-CVE-2020-8116 No score

CVE-2020-8116 in dot-prop - Patched by Root

Root has patched CVE-2020-8116 in the dot-prop package for Root:npm. Multiple fixed versions available.

Record
ROOT-APP-NPM-CVE-2020-8116
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
dot-prop
npm
 before 4.2.1
4.2.1
dot-prop
npm
 5.0.0 up to 5.1.1
5.1.1
nodejs-nodemon
AlmaLinux:8
From an advisory covering 4 CVEs
 before 1.18.3-1.module_el8.3.0+2023+d2377ea3
1.18.3-1.module_el8.3.0+2023+d2377ea3
nodejs-nodemon
AlmaLinux:8
From an advisory covering 4 CVEs
 before 1.18.3-1.module_el8.3.0+2047+b07ac28e
1.18.3-1.module_el8.3.0+2047+b07ac28e
nodejs-packaging
AlmaLinux:8
From an advisory covering 4 CVEs
 before 17-3.module_el8.4.0+2224+b07ac28e
17-3.module_el8.4.0+2224+b07ac28e
nodejs-packaging
AlmaLinux:8
From an advisory covering 4 CVEs
 before 17-3.module_el8.4.0+2521+c668cc9f
17-3.module_el8.4.0+2521+c668cc9f
nodejs-packaging
AlmaLinux:8
From an advisory covering 4 CVEs
 before 17-3.module_el8.3.0+2023+d2377ea3
17-3.module_el8.3.0+2023+d2377ea3
nodejs-nodemon
AlmaLinux:8
From an advisory covering 10 CVEs
 before 1.18.3-1.module_el8.3.0+2023+d2377ea3
1.18.3-1.module_el8.3.0+2023+d2377ea3
nodejs-nodemon
AlmaLinux:8
From an advisory covering 10 CVEs
 before 1.18.3-1.module_el8.3.0+2047+b07ac28e
1.18.3-1.module_el8.3.0+2047+b07ac28e
nodejs-packaging
AlmaLinux:8
From an advisory covering 10 CVEs
 before 17-3.module_el8.4.0+2224+b07ac28e
17-3.module_el8.4.0+2224+b07ac28e
Show 50 moreShow less
Affected packages
PackageAffectedFixed
nodejs-packaging
AlmaLinux:8
From an advisory covering 10 CVEs
 before 17-3.module_el8.4.0+2521+c668cc9f
17-3.module_el8.4.0+2521+c668cc9f
nodejs-packaging
AlmaLinux:8
From an advisory covering 10 CVEs
 before 17-3.module_el8.3.0+2023+d2377ea3
17-3.module_el8.3.0+2023+d2377ea3
js-jquery
Azure Linux:3
 through 3.5.0-4 None known
node-dot-prop
Debian:12
 before 5.2.0-1
5.2.0-1
node-dot-prop
Debian:13
 before 5.2.0-1
5.2.0-1
node-dot-prop
Debian:14
 before 5.2.0-1
5.2.0-1
nodejs
Red Hat:enterprise_linux:8::appstream
From an advisory covering 4 CVEs
 before 1:12.18.4-2.module+el8.2.0+8361+192e434e
1:12.18.4-2.module+el8.2.0+8361+192e434e
nodejs-debuginfo
Red Hat:enterprise_linux:8::appstream
From an advisory covering 4 CVEs
 before 1:12.18.4-2.module+el8.2.0+8361+192e434e
1:12.18.4-2.module+el8.2.0+8361+192e434e
nodejs-debugsource
Red Hat:enterprise_linux:8::appstream
From an advisory covering 4 CVEs
 before 1:12.18.4-2.module+el8.2.0+8361+192e434e
1:12.18.4-2.module+el8.2.0+8361+192e434e
nodejs-devel
Red Hat:enterprise_linux:8::appstream
From an advisory covering 4 CVEs
 before 1:12.18.4-2.module+el8.2.0+8361+192e434e
1:12.18.4-2.module+el8.2.0+8361+192e434e
nodejs-docs
Red Hat:enterprise_linux:8::appstream
From an advisory covering 4 CVEs
 before 1:12.18.4-2.module+el8.2.0+8361+192e434e
1:12.18.4-2.module+el8.2.0+8361+192e434e
nodejs-full-i18n
Red Hat:enterprise_linux:8::appstream
From an advisory covering 4 CVEs
 before 1:12.18.4-2.module+el8.2.0+8361+192e434e
1:12.18.4-2.module+el8.2.0+8361+192e434e
nodejs-nodemon
Red Hat:enterprise_linux:8::appstream
From an advisory covering 4 CVEs
 before 0:1.18.3-1.module+el8.1.0+3369+37ae6a45
0:1.18.3-1.module+el8.1.0+3369+37ae6a45
nodejs-packaging
Red Hat:enterprise_linux:8::appstream
From an advisory covering 4 CVEs
 before 0:17-3.module+el8.1.0+3369+37ae6a45
0:17-3.module+el8.1.0+3369+37ae6a45
npm
Red Hat:enterprise_linux:8::appstream
From an advisory covering 4 CVEs
 before 1:6.14.6-1.12.18.4.2.module+el8.2.0+8361+192e434e
1:6.14.6-1.12.18.4.2.module+el8.2.0+8361+192e434e
nodejs
Red Hat:rhel_eus:8.1::appstream
From an advisory covering 4 CVEs
 before 1:12.18.4-2.module+el8.1.0+8360+14141500
1:12.18.4-2.module+el8.1.0+8360+14141500
nodejs-debuginfo
Red Hat:rhel_eus:8.1::appstream
From an advisory covering 4 CVEs
 before 1:12.18.4-2.module+el8.1.0+8360+14141500
1:12.18.4-2.module+el8.1.0+8360+14141500
nodejs-debugsource
Red Hat:rhel_eus:8.1::appstream
From an advisory covering 4 CVEs
 before 1:12.18.4-2.module+el8.1.0+8360+14141500
1:12.18.4-2.module+el8.1.0+8360+14141500
nodejs-devel
Red Hat:rhel_eus:8.1::appstream
From an advisory covering 4 CVEs
 before 1:12.18.4-2.module+el8.1.0+8360+14141500
1:12.18.4-2.module+el8.1.0+8360+14141500
nodejs-docs
Red Hat:rhel_eus:8.1::appstream
From an advisory covering 4 CVEs
 before 1:12.18.4-2.module+el8.1.0+8360+14141500
1:12.18.4-2.module+el8.1.0+8360+14141500
nodejs-full-i18n
Red Hat:rhel_eus:8.1::appstream
From an advisory covering 4 CVEs
 before 1:12.18.4-2.module+el8.1.0+8360+14141500
1:12.18.4-2.module+el8.1.0+8360+14141500
nodejs-nodemon
Red Hat:rhel_eus:8.1::appstream
From an advisory covering 4 CVEs
 before 0:1.18.3-1.module+el8.1.0+3369+37ae6a45
0:1.18.3-1.module+el8.1.0+3369+37ae6a45
nodejs-packaging
Red Hat:rhel_eus:8.1::appstream
From an advisory covering 4 CVEs
 before 0:17-3.module+el8.1.0+3369+37ae6a45
0:17-3.module+el8.1.0+3369+37ae6a45
npm
Red Hat:rhel_eus:8.1::appstream
From an advisory covering 4 CVEs
 before 1:6.14.6-1.12.18.4.2.module+el8.1.0+8360+14141500
1:6.14.6-1.12.18.4.2.module+el8.1.0+8360+14141500
rh-nodejs12-nodejs
Red Hat:rhel_software_collections:3::el7
From an advisory covering 4 CVEs
 before 0:12.18.4-3.el7
0:12.18.4-3.el7
rh-nodejs12-nodejs-debuginfo
Red Hat:rhel_software_collections:3::el7
From an advisory covering 4 CVEs
 before 0:12.18.4-3.el7
0:12.18.4-3.el7
rh-nodejs12-nodejs-devel
Red Hat:rhel_software_collections:3::el7
From an advisory covering 4 CVEs
 before 0:12.18.4-3.el7
0:12.18.4-3.el7
rh-nodejs12-nodejs-docs
Red Hat:rhel_software_collections:3::el7
From an advisory covering 4 CVEs
 before 0:12.18.4-3.el7
0:12.18.4-3.el7
rh-nodejs12-npm
Red Hat:rhel_software_collections:3::el7
From an advisory covering 4 CVEs
 before 0:6.14.6-12.18.4.3.el7
0:6.14.6-12.18.4.3.el7
rh-nodejs10-nodejs
Red Hat:rhel_software_collections:3::el7
From an advisory covering 10 CVEs
 before 0:10.23.1-2.el7
0:10.23.1-2.el7
rh-nodejs10-nodejs-debuginfo
Red Hat:rhel_software_collections:3::el7
From an advisory covering 10 CVEs
 before 0:10.23.1-2.el7
0:10.23.1-2.el7
rh-nodejs10-nodejs-devel
Red Hat:rhel_software_collections:3::el7
From an advisory covering 10 CVEs
 before 0:10.23.1-2.el7
0:10.23.1-2.el7
rh-nodejs10-nodejs-docs
Red Hat:rhel_software_collections:3::el7
From an advisory covering 10 CVEs
 before 0:10.23.1-2.el7
0:10.23.1-2.el7
rh-nodejs10-npm
Red Hat:rhel_software_collections:3::el7
From an advisory covering 10 CVEs
 before 0:6.14.10-10.23.1.2.el7
0:6.14.10-10.23.1.2.el7
nodejs
Red Hat:enterprise_linux:8::appstream
From an advisory covering 10 CVEs
 before 1:10.23.1-1.module+el8.3.0+9502+012d8a97
1:10.23.1-1.module+el8.3.0+9502+012d8a97
nodejs-debuginfo
Red Hat:enterprise_linux:8::appstream
From an advisory covering 10 CVEs
 before 1:10.23.1-1.module+el8.3.0+9502+012d8a97
1:10.23.1-1.module+el8.3.0+9502+012d8a97
nodejs-debugsource
Red Hat:enterprise_linux:8::appstream
From an advisory covering 10 CVEs
 before 1:10.23.1-1.module+el8.3.0+9502+012d8a97
1:10.23.1-1.module+el8.3.0+9502+012d8a97
nodejs-devel
Red Hat:enterprise_linux:8::appstream
From an advisory covering 10 CVEs
 before 1:10.23.1-1.module+el8.3.0+9502+012d8a97
1:10.23.1-1.module+el8.3.0+9502+012d8a97
nodejs-docs
Red Hat:enterprise_linux:8::appstream
From an advisory covering 10 CVEs
 before 1:10.23.1-1.module+el8.3.0+9502+012d8a97
1:10.23.1-1.module+el8.3.0+9502+012d8a97
nodejs-full-i18n
Red Hat:enterprise_linux:8::appstream
From an advisory covering 10 CVEs
 before 1:10.23.1-1.module+el8.3.0+9502+012d8a97
1:10.23.1-1.module+el8.3.0+9502+012d8a97
nodejs-nodemon
Red Hat:enterprise_linux:8::appstream
From an advisory covering 10 CVEs
 before 0:1.18.3-1.module+el8+2632+6c5111ed
0:1.18.3-1.module+el8+2632+6c5111ed
nodejs-packaging
Red Hat:enterprise_linux:8::appstream
From an advisory covering 10 CVEs
 before 0:17-3.module+el8+2873+aa7dfd9a
0:17-3.module+el8+2873+aa7dfd9a
npm
Red Hat:enterprise_linux:8::appstream
From an advisory covering 10 CVEs
 before 1:6.14.10-1.10.23.1.1.module+el8.3.0+9502+012d8a97
1:6.14.10-1.10.23.1.1.module+el8.3.0+9502+012d8a97
nodejs-nodemon
Rocky Linux:8
From an advisory covering 4 CVEs
 before 0:1.18.3-1.module+el8.3.0+101+f84c7154
0:1.18.3-1.module+el8.3.0+101+f84c7154
nodejs-packaging
Rocky Linux:8
From an advisory covering 4 CVEs
 before 0:17-3.module+el8.3.0+101+f84c7154
0:17-3.module+el8.3.0+101+f84c7154
nodejs-nodemon
Rocky Linux:8
From an advisory covering 10 CVEs
 before 0:1.18.3-1.module+el8.3.0+101+f84c7154
0:1.18.3-1.module+el8.3.0+101+f84c7154
nodejs-packaging
Rocky Linux:8
From an advisory covering 10 CVEs
 before 0:17-3.module+el8.3.0+101+f84c7154
0:17-3.module+el8.3.0+101+f84c7154
dot-prop
Root:npm
 before 4.2.0-aikido.1
4.2.0-aikido.1
@rootio/dot-prop
Root:npm
 before 4.2.0-root.io.1
4.2.0-root.io.1
node-dot-prop
Ubuntu:18.04:LTS
 All versions, plus listed versions
4.1.1-1
 None known

History

History
RecordedChangedSources
affected
factsOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-8116 is a high vulnerability (CVSS 7.3) in Dot-prop Project Dot-prop, published February 4, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.08%, the 87th percentile. Fixed in dot-prop 4.2.1.

References

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