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.
Published 2021-05-26 22:15:08
Updated 2021-06-03 18:37:47
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2020-27839

Exploit prediction scoring system (EPSS) score for CVE-2020-27839

0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 21 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-27839

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.5
LOW AV:N/AC:M/Au:S/C:N/I:P/A:N
6.8
2.9
NIST
5.4
MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
2.3
2.7
NIST

CWE ids for CVE-2020-27839

  • The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.
    Assigned by: secalert@redhat.com (Primary)

References for CVE-2020-27839

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