CVE-2021-27516

Public Exploit

Description

URI.js (aka urijs) before 1.19.6 mishandles certain uses of backslash such as http:\/ and interprets the URI as a relative path.

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 1.20% Top 25%

Third-Party Advisory checkmarx.net Third-Party Advisory github.com Third-Party Advisory github.com

Affected: n/a n/a

References

Link	Tags
https://github.com/medialize/URI.js/commit/a1ad8bcbc39a4d136d7e252e76e957f3ece70839	third party advisory patch
https://github.com/medialize/URI.js/releases/tag/v1.19.6	third party advisory
https://advisory.checkmarx.net/advisory/CX-2021-4305	third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-27516?: CVE-2021-27516 has been scored as a high severity vulnerability.
How to fix CVE-2021-27516?: To fix CVE-2021-27516, 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-2021-27516 being actively exploited in the wild?: It is possible that CVE-2021-27516 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.

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