Prototype Pollution in Mathjs

CVE-2020-7743

The package mathjs before 7.5.1 are vulnerable to Prototype Pollution via the deepExtend function that runs upon configuration updates.

Vulnerability class: Prototype Pollution

EPSS: 0.039 (89.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

  • Mathjs
  • N/a Mathjs — versions unspecified

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • report@snyk.io (Exploit, Third Party Advisory, x_refsource_MISC, Mitigation)
  • report@snyk.io (Exploit, Third Party Advisory, x_refsource_MISC, Mitigation)
  • report@snyk.io (Exploit, Third Party Advisory, x_refsource_MISC, Mitigation)
  • report@snyk.io (Exploit, Third Party Advisory, x_refsource_MISC, Mitigation)
  • report@snyk.io (Third Party Advisory, x_refsource_MISC, Broken Link)
  • report@snyk.io (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-7743?
CVE-2020-7743 is a high-severity vulnerability in Mathjs, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.3/10. Published 2020-10-13.
How severe is CVE-2020-7743?
High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2020-7743 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.