CVE-2020-26311 — HIGH (7.5)

Vulnerability Description

Useragent is a user agent parser for Node.js. All versions as of time of publication contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, no patches are available.

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
Useragent Project	Useragent	All versions

Related Weaknesses (CWE)

CWE-1333

References

https://github.com/3rd-Eden/useragent/issues/167Issue Tracking
https://securitylab.github.com/advisories/GHSL-2020-312-redos-useragent/ExploitThird Party Advisory

FAQ

What is CVE-2020-26311?

CVE-2020-26311 is a vulnerability with a CVSS score of 7.5 (HIGH). Useragent is a user agent parser for Node.js. All versions as of time of publication contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of ...

How severe is CVE-2020-26311?

CVE-2020-26311 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-2020-26311?

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