SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-27839

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.

MEDIUM 5.4EPSS 2.45%

Does this matter?

Lower severity and a low EPSS score (2.45%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
2.45% probability · 83th percentile
CISA KEV
Not listed
Weakness
CWE-522
Affected
redhat/ceph
Source
secalert@redhat.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.