CVE-2020-8203

Publication date 15 July 2020

Last updated 9 June 2026

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

Prototype pollution attack when using _.zipObjectDeep in lodash before 4.17.20.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
node-lodash	26.04 LTS resolute	Not affected
	25.10 questing	Not affected
	25.04 plucky	Ignored end of life, was needs-triage
	24.10 oracular	Ignored end of life, was needs-triage
	24.04 LTS noble	Not affected
	23.10 mantic	Ignored end of life, was needs-triage
	23.04 lunar	Ignored end of life, was needs-triage
	22.10 kinetic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Not affected
	21.10 impish	Ignored end of life
	21.04 hirsute	Ignored end of life
	20.10 groovy	Ignored end of life
	20.04 LTS focal	Fixed 4.17.15+dfsg-2ubuntu0.1~esm1
	19.10 eoan	Ignored end of life
	18.04 LTS bionic	Fixed 4.17.4+dfsg-1ubuntu0.1~esm1
	16.04 LTS xenial	Ignored end of standard support, was needs-triage
	14.04 LTS trusty	Not in release

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
node-lodash	Upstream: c84fe82

Severity score breakdown

Parameter	Value
Base score	7.4 · High
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-8411-1
Lodash vulnerabilities
9 June 2026