CVE-2020-27839
5.4
MEDIUM
CVSS 3.1
EPSS 0.24%
Description
A flaw was found in ceph-dashboard. The JSON Web Token (JWT) used for user authentication is stored by the frontend application in the browser’s localStorage which is potentially vulnerable to attackers via XSS attacks. The highest threat from this vulnerability is to data confidentiality and integrity.
How to fix CVE-2020-27839
To remediate CVE-2020-27839, upgrade the affected package to a fixed version below.
- Debian/ceph—upgrade to 14.2.18-1 or later
Is CVE-2020-27839 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 14.2.18-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |