AUGUST 4, 2026
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Case File

CVE-2020-27839

MEDIUM · CVSS 5.4 EPSS 2.45%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-26 · Last synced 2026-08-04

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CVE
CVE-2020-27839
Severity
MEDIUM
CVSS
5.4
EPSS
2.45%

Original NVD 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.