🛡️ CVE-2020-28503 — copy-props

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-1321 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Prototype Pollution in copy-props

The package copy-props before 2.0.5 are vulnerable to Prototype Pollution via the main functionality.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability low.

Weakness class

CVE-2020-28503 is classified as CWE-1321: Prototype Pollution. Attacker input can modify an object prototype, changing behaviour for objects across the application.

Affected software

CVE-2020-28503 is recorded against 1 package.

  • copy-props

Timeline and source

Published on 6 January 2022 and last revised on 14 January 2025. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
snyk.io (Web)
snyk.io (Web)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE CWE-1321
Public Exploit ✅ No
Source OSV
Published 2022-01-06
Updated 2026-08-12
Modified 2025-01-14
Fix URL N/A

Affected Packages

Software From version Fixed in
copy-props — —

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