CVE-2021-23362

Public Exploit
Regular Expression Denial of Service (ReDoS)

Description

The package hosted-git-info before 3.0.8 are vulnerable to Regular Expression Denial of Service (ReDoS) via regular expression shortcutMatch in the fromUrl function in index.js. The affected regular expression exhibits polynomial worst-case time complexity.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.39%
Third-Party Advisory siemens.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory snyk.io Third-Party Advisory snyk.io
Affected: n/a hosted-git-info
Published at:
Updated at:

References

Link Tags
https://snyk.io/vuln/SNYK-JS-HOSTEDGITINFO-1088355 exploit third party advisory patch
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1088356 exploit third party advisory patch
https://github.com/npm/hosted-git-info/commit/bede0dc38e1785e732bf0a48ba6f81a4a908eba3 third party advisory patch
https://github.com/npm/hosted-git-info/commits/v2 third party advisory patch
https://github.com/npm/hosted-git-info/commit/29adfe5ef789784c861b2cdeb15051ec2ba651a7 third party advisory patch
https://github.com/npm/hosted-git-info/commit/8d4b3697d79bcd89cdb36d1db165e3696c783a01 third party advisory patch
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-23362?
CVE-2021-23362 has been scored as a medium severity vulnerability.
How to fix CVE-2021-23362?
To fix CVE-2021-23362, 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-2021-23362 being actively exploited in the wild?
It is possible that CVE-2021-23362 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-2021-23362?
CVE-2021-23362 affects n/a hosted-git-info.
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.
© 2025 Under My Watch. All Rights Reserved.