CVE-2020-28503
CRITICALCVSS 9.8/10EPSS 1.70%
Last modified
CVE-2020-28503 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The package copy-props before 2.0.5 are vulnerable to Prototype Pollution via the main functionality.. EPSS estimates a 1.70% chance of exploitation in the next 30 days.
Description
The package copy-props before 2.0.5 are vulnerable to Prototype Pollution via the main functionality.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gulpjs | Copy-Props | < 2.0.5 |
References
- https://github.com/gulpjs/copy-props/pull/7Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1088047Exploit, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-COPYPROPS-1082870Exploit, Third Party Advisory
- https://github.com/gulpjs/copy-props/pull/7Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1088047Exploit, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-COPYPROPS-1082870Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-28503?
The package copy-props before 2.0.5 are vulnerable to Prototype Pollution via the main functionality.
How severe is CVE-2020-28503?
CVE-2020-28503 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.70% probability of exploitation in the next 30 days.
How do I fix CVE-2020-28503?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-28498The package elliptic before 6.5.4 are vulnerable to Cryptogr…6.8
- CVE-2020-28499All versions of package merge are vulnerable to Prototype Po…9.8
- CVE-2020-2850Vulnerability in the Oracle Depot Repair product of Oracle E…8.2
- CVE-2020-28500Lodash versions prior to 4.17.21 are vulnerable to Regular E…5.3
- CVE-2020-28501This affects the package es6-crawler-detect before 3.1.3. No…7.5
- CVE-2020-28502This affects the package xmlhttprequest before 1.7.0; all ve…8.1
- CVE-2020-2851Vulnerability in the Oracle Solaris product of Oracle System…7.8
- CVE-2020-2852Vulnerability in the Oracle Advanced Outbound Telephony prod…8.2
- CVE-2020-2853Vulnerability in the MySQL Server product of Oracle MySQL (c…4.9
- CVE-2020-2854Vulnerability in the Oracle Advanced Outbound Telephony prod…8.2
- CVE-2020-2855Vulnerability in the Oracle iSupport product of Oracle E-Bus…8.2
- CVE-2020-2856Vulnerability in the Oracle Advanced Outbound Telephony prod…8.2
Are you affected by CVE-2020-28503?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST