CVE-2020-8203
HIGH7.4EPSS 2.5%Prototype Pollution in lodash
Published: 7/15/2020Modified: 4/28/2026
Description
Prototype pollution attack when using _.zipObjectDeep in lodash before 4.17.20.
Affected packages (9)
- Debian/node-lodashfrom 0, < 4.17.19+dfsg-1
- npm/lodash>= 3.7.0, < 4.17.19
- npm/lodash-es>= 3.7.0, < 4.17.20
- npm/lodash.pick>= 4.0.0, <= 4.4.0
- npm/lodash.set>= 3.7.0, <= 4.3.2
- npm/lodash.setwithfrom 0, <= 4.3.2
- npm/lodash.updatefrom 0, <= 4.10.2
- npm/lodash.updatewithfrom 0, <= 4.10.2
- RubyGems/lodash-rails>= 3.7.0, < 4.17.19
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H |
References (13)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2020-8203
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2020-8203
- PATCHhttps://github.com/lodash/lodash
- WEBhttps://github.com/github/advisory-database/pull/2884
- WEBhttps://github.com/lodash/lodash/commit/c84fe82760fb2d3e03a63379b297a1cc1a2fce12
- WEBhttps://github.com/lodash/lodash/issues/4744
- WEBhttps://github.com/lodash/lodash/issues/4874
- WEBhttps://github.com/lodash/lodash/wiki/Changelog#v41719
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/lodash-rails/CVE-2020-8203.yml
- WEBhttps://hackerone.com/reports/712065
- WEBhttps://hackerone.com/reports/864701
- WEBhttps://security.netapp.com/advisory/ntap-20200724-0006
- WEBhttps://web.archive.org/web/20210914001339/https://github.com/lodash/lodash/issues/4744