CVE-2021-34801 — MEDIUM (5.3)

Vulnerability Description

Valine 1.4.14 allows remote attackers to cause a denial of service (application outage) by supplying a ua (aka User-Agent) value that only specifies the product and version.

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Valine.Js	Valine	1.4.14

References

https://github.com/xCss/Valine/issues/366ExploitIssue TrackingThird Party Advisory
https://github.com/xCss/Valine/issues/366ExploitIssue TrackingThird Party Advisory

FAQ

What is CVE-2021-34801?

CVE-2021-34801 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Valine 1.4.14 allows remote attackers to cause a denial of service (application outage) by supplying a ua (aka User-Agent) value that only specifies the product and version.

How severe is CVE-2021-34801?

CVE-2021-34801 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-34801?

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