CVE-2020-7644

Public Exploit

Description

fun-map through 3.3.1 is vulnerable to Prototype Pollution. The function assocInM could be tricked into adding or modifying properties of 'Object.prototype' using a '__proto__' payload.

References

Link	Tags
https://github.com/nathan7/fun-map/blob/master/index.js#L137%2C
https://snyk.io/vuln/SNYK-JS-FUNMAP-564436	exploit third party advisory mitigation

Frequently Asked Questions

What is the severity of CVE-2020-7644?: CVE-2020-7644 has been scored as a high severity vulnerability.
How to fix CVE-2020-7644?: To fix CVE-2020-7644, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-7644 being actively exploited in the wild?: It is possible that CVE-2020-7644 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-7644?: CVE-2020-7644 affects n/a fun-map.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.

Description

Category

CWE-1321 – Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

References

Frequently Asked Questions