CVE-2020-7743
HIGHCVSS 7.3/10EPSS 3.88%
Last modified
CVE-2020-7743 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. The package mathjs before 7.5.1 are vulnerable to Prototype Pollution via the deepExtend function that runs upon configuration updates.. EPSS estimates a 3.88% chance of exploitation in the next 30 days.
Description
The package mathjs before 7.5.1 are vulnerable to Prototype Pollution via the deepExtend function that runs upon configuration updates.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mathjs | Mathjs | < 7.5.1 |
References
- https://github.com/josdejong/mathjs/blob/develop/src/utils/object.js%23L82Broken Link, Third Party Advisory
- https://github.com/josdejong/mathjs/commit/ecb80514e80bce4e6ec7e71db8ff79954f07c57ePatch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1017113Exploit, Mitigation, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1017112Exploit, Mitigation, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1017111Exploit, Mitigation, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-MATHJS-1016401Exploit, Mitigation, Third Party Advisory
- https://github.com/josdejong/mathjs/blob/develop/src/utils/object.js%23L82Broken Link, Third Party Advisory
- https://github.com/josdejong/mathjs/commit/ecb80514e80bce4e6ec7e71db8ff79954f07c57ePatch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1017113Exploit, Mitigation, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1017112Exploit, Mitigation, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1017111Exploit, Mitigation, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-MATHJS-1016401Exploit, Mitigation, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-7743?
The package mathjs before 7.5.1 are vulnerable to Prototype Pollution via the deepExtend function that runs upon configuration updates.
How severe is CVE-2020-7743?
CVE-2020-7743 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 3.88% probability of exploitation in the next 30 days.
How do I fix CVE-2020-7743?
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.
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Are you affected by CVE-2020-7743?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST