CVE-2021-20066

Public Exploit

Description

JSDom improperly allows the loading of local resources, which allows for local files to be manipulated by a malicious web page when script execution is enabled.

5.6

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.40%

Third-Party Advisory github.com Third-Party Advisory tenable.com

Affected: n/a JSDom

References

Link	Tags
https://www.tenable.com/security/research/tra-2021-05	third party advisory exploit
https://github.com/jsdom/jsdom/issues/3124#issuecomment-783502951	issue tracking exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-20066?: CVE-2021-20066 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20066?: To fix CVE-2021-20066, 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-2021-20066 being actively exploited in the wild?: It is possible that CVE-2021-20066 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20066?: CVE-2021-20066 affects n/a JSDom.

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.