CVE-2021-40895 — HIGH (7.5)

Vulnerability Description

A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in todo-regex v0.1.1 when matching crafted invalid TODO statements.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Todo-Regex Project	Todo-Regex	0.1.1

Related Weaknesses (CWE)

CWE-1333

References

https://github.com/yetingli/SaveResults/blob/main/js/todo-regex.jsExploitThird Party Advisory
https://github.com/yetingli/SaveResults/blob/main/js/todo-regex.jsExploitThird Party Advisory

FAQ

What is CVE-2021-40895?

CVE-2021-40895 is a vulnerability with a CVSS score of 7.5 (HIGH). A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in todo-regex v0.1.1 when matching crafted invalid TODO statements.

How severe is CVE-2021-40895?

CVE-2021-40895 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-40895?

Check the references section above for vendor advisories and patch information. Affected products include: Todo-Regex Project Todo-Regex.