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Vulnerabilities

Vulnerability · CVE-2020-8203

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

Published Jul 15, 2020 · catalog updated Nov 2, 2026 · Prototype pollution attack when

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2020-8203. EPSS is 5.21%. Act only if a listed version of Prototype pollution attack when is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Prototype pollution attack when).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
5.21%
Remediation
Version ranges on file
Affected products
cpe lodash/lodash · cpe oracle/banking corporate lending process management · cpe oracle/banking credit facilities process management · cpe oracle/banking extensibility workbench

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe lodash/lodash< 4.17.20
  • cpe oracle/banking corporate lending process management14.2.0
  • cpe oracle/banking corporate lending process management14.3.0
  • cpe oracle/banking corporate lending process management14.5.0
  • cpe oracle/banking credit facilities process management14.2.0
  • cpe oracle/banking credit facilities process management14.3.0
  • cpe oracle/banking credit facilities process management14.5.0
  • cpe oracle/banking extensibility workbench14.2.0

How to fix CVE-2020-8203

  • Upgrade

    CVE-2020-8203 lists a fix boundary at 4.17.20. Compare the installed build with that boundary before you change production.

  • Version check

    Affected < 4.17.20

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2020-8203. EPSS is 5.21%. Act only if a listed version of Prototype pollution attack when is installed.

Which versions are affected?

Compare what you have installed with oracle/banking corporate lending process management 14.2.0; oracle/banking corporate lending process management 14.3.0; oracle/banking corporate lending process management 14.5.0; oracle/banking credit facilities process management 14.2.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-1321: Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution); CWE-770: Allocation of Resources Without Limits or Throttling. EPSS 5.21%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 15, 2020 · NIST NVD

    Detected

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

  2. Nov 2, 2026 · NIST NVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2020-8203

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2020-8203

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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 4, 2026
  • NIST NVDNov 2, 2026