Main Vulnerability Database Vulnerabilities #VU67156

Missing Authorization in jsdom - CVE-2021-20066

Published: September 9, 2022

Vulnerability identifier: #VU67156

CSH Severity: Medium

CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-20066

CWE-ID: CWE-862

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to manipulate local files.

The vulnerability exists due to JSDom improperly allows the loading of local resources. A remote attacker can manipulate local files using a malicious web page when script execution is enabled.

Affected software

jsdom
Planning Analytics Local
Splunk Enterprise

How to mitigate CVE-2021-20066

Install updates from vendor's website.

jsdom - update to 16.5.0
Splunk Enterprise - addressed in versions 8.2.12, 9.0.6, 9.1.1

External References

https://www.tenable.com/security/research/tra-2021-05
https://github.com/jsdom/jsdom/issues/3124#issuecomment-783502951

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