CVE-2021-43308 — MEDIUM (5.9)

Q: How severe is CVE-2021-43308?

CVE-2021-43308 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-43308?

Check the references section above for vendor advisories and patch information. Affected products include: Markdown-Link-Extractor Project Markdown-Link-Extractor.

Vulnerability Description

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the markdown-link-extractor npm package, when an attacker is able to supply arbitrary input to the module's exported function

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Markdown-Link-Extractor Project	Markdown-Link-Extractor	< 3.0.2

Related Weaknesses (CWE)

CWE-1333

References

https://research.jfrog.com/vulnerabilities/markdown-link-extractor-redos-xray-21ExploitThird Party Advisory
https://research.jfrog.com/vulnerabilities/markdown-link-extractor-redos-xray-21ExploitThird Party Advisory

FAQ

What is CVE-2021-43308?

CVE-2021-43308 is a vulnerability with a CVSS score of 5.9 (MEDIUM). An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the markdown-link-extractor npm package, when an attacker is able to supply arbitrary input to the module's exported fun...

How severe is CVE-2021-43308?

CVE-2021-43308 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-43308?

Check the references section above for vendor advisories and patch information. Affected products include: Markdown-Link-Extractor Project Markdown-Link-Extractor.