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CVE-2020-27839

MEDIUM
5.4
CVSS Score
Published: May 26, 2021 at 09:25 PM UTC
Updated: June 17, 2026 at 03:09 AM UTC
1 product affected across 1 vendorCeph

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Severity
MEDIUM5.4
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ceph· Linuxfoundation
95%
v < 14.2.1715.2.0 ≤ v < 15.2.914.2.1715.2.9
Affected range stops below 14.2.17, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.2.9, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCIssue TrackingVendor Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1901330

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-522

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