# CVE-2020-8203: CVE-2020-8203

Status: published. Published: 2020-07-15. Updated: 2026-11-02.

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

## Remediation

No remediation reported in collected sources

## Affected products and versions

- n/a / lodash: Not Fixed (affected). Source: CNA: hackerone

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: 5.21% as of 2026-11-02; percentile 92.50%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-770

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://hackerone.com/reports/712065 (CNA: hackerone; x_refsource_MISC)

- https://www.oracle.com/security-alerts/cpuApr2021.html (CNA: hackerone; x_refsource_MISC)

- https://security.netapp.com/advisory/ntap-20200724-0006/ (CNA: hackerone; x_refsource_CONFIRM)

- https://github.com/lodash/lodash/issues/4874 (CNA: hackerone; x_refsource_MISC)

- https://www.oracle.com//security-alerts/cpujul2021.html (CNA: hackerone; x_refsource_MISC)

- https://www.oracle.com/security-alerts/cpuoct2021.html (CNA: hackerone; x_refsource_MISC)

- https://www.oracle.com/security-alerts/cpujan2022.html (CNA: hackerone; x_refsource_MISC)

- https://www.oracle.com/security-alerts/cpuapr2022.html (CNA: hackerone; x_refsource_MISC)

- https://hackerone.com/reports/712065 (ADP: CVE; x_refsource_MISC, x_transferred)

- https://www.oracle.com/security-alerts/cpuApr2021.html (ADP: CVE; x_refsource_MISC, x_transferred)

- https://security.netapp.com/advisory/ntap-20200724-0006/ (ADP: CVE; x_refsource_CONFIRM, x_transferred)

- https://github.com/lodash/lodash/issues/4874 (ADP: CVE; x_refsource_MISC, x_transferred)

- https://www.oracle.com//security-alerts/cpujul2021.html (ADP: CVE; x_refsource_MISC, x_transferred)

- https://www.oracle.com/security-alerts/cpuoct2021.html (ADP: CVE; x_refsource_MISC, x_transferred)

- https://www.oracle.com/security-alerts/cpujan2022.html (ADP: CVE; x_refsource_MISC, x_transferred)

- https://www.oracle.com/security-alerts/cpuapr2022.html (ADP: CVE; x_refsource_MISC, x_transferred)

## Provenance

- CNA: hackerone: https://www.cve.org/CVERecord?id=CVE-2020-8203; retrieved 2026-11-02; source updated 2026-11-02

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2020-8203; retrieved 2026-11-02; source updated Not reported

Revision: 80882f4e85a129a13c712275115b0dece99585f84d967488886873e7cfa4d1ad

Canonical: https://y2.dev/cve/CVE-2020-8203

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