CVE-2020-28503

Prototype Pollution

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

Affected

copy-props

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 SNYK

7.3 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

1.70% chance of exploitation in the next 30 days, 77th percentile

Published

2021-03-23

Updated

2024-09-17

Proof-of-concept exploits (2)

• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1088047
• https://snyk.io/vuln/SNYK-JS-COPYPROPS-1082870

Security advisories

• gulpjs/copy-props/pull/7
• advisories/GHSA-897m-rjf5-jp39

References

• CVE Record
• NVD entry