CVE-2021-3509
6.1
MEDIUM
CVSS 3.1
EPSS 0.63%
Description
A flaw was found in Red Hat Ceph Storage 4, in the Dashboard component. In response to CVE-2020-27839, the JWT token was moved from localStorage to an httpOnly cookie. However, token cookies are used in the body of the HTTP response for the documentation, which again makes it available to XSS.The greatest threat to the system is for confidentiality, integrity, and availability.
How to fix CVE-2021-3509
To remediate CVE-2021-3509, upgrade the affected package to a fixed version below.
- —upgrade to 14.2.21-1 or later
Is CVE-2021-3509 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 14.2.21-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |