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CVE-2020-8203
Prototype pollution attack when using _.zipObjectDeep in lodash before 4.17.20.
High7.4EPSS 5.2%
- Published
- Updated
- Reserved
- Assigned by
- hackerone
Description
Prototype pollution attack when using _.zipObjectDeep in lodash before 4.17.20.
Timeline
ID reserved
By hackerone
- 6 months later
· 6 months later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H |
- EPSS (exploitation in 30 days)
- 5.2% · top 7.5% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.4.
Weakness
Affected products
lodash
- affected Not Fixed
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- RubyGemslodash-railsGHSA-p6mc-m468-83gw (opens in a new tab)
- npmlodashGHSA-p6mc-m468-83gw (opens in a new tab)
- npmlodash-esGHSA-p6mc-m468-83gw (opens in a new tab)
- npmlodash.pickGHSA-p6mc-m468-83gw (opens in a new tab)
- npmlodash.setGHSA-p6mc-m468-83gw (opens in a new tab)
- npmlodash.setwithGHSA-p6mc-m468-83gw (opens in a new tab)
- npmlodash.updateGHSA-p6mc-m468-83gw (opens in a new tab)
- npmlodash.updatewithGHSA-p6mc-m468-83gw (opens in a new tab)
References (8)
- https://hackerone.com/reports/712065 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.oracle.com/security-alerts/cpuApr2021.html (opens in a new tab)x_refsource_MISCx_transferred
- https://security.netapp.com/advisory/ntap-20200724-0006/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/lodash/lodash/issues/4874 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.oracle.com//security-alerts/cpujul2021.html (opens in a new tab)x_refsource_MISCx_transferred
- https://www.oracle.com/security-alerts/cpuoct2021.html (opens in a new tab)x_refsource_MISCx_transferred
- https://www.oracle.com/security-alerts/cpujan2022.html (opens in a new tab)x_refsource_MISCx_transferred
- https://www.oracle.com/security-alerts/cpuapr2022.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-p6mc-m468-83gw (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-8203)Record last updated .