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CVE-2020-27839

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.
5.4
CVSS
1.1
ShadowTrackr
NO
CISA KEV
-
NCSC.nl
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesLow
User InteractionActive
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityLow
IntegrityLow
AvailabilityNone
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusUnavailable

Change Log
DateSourceChangesScore
2026-07-21PoCE: U→P0.4 → 1.1
2026-07-21nvdAV: P→N, AC: H→L, PR: H→L, VC: N→L, VI: N→L0.0 → 0.4
2026-07-21cve.orginitial, patch: Unavailable0.0

Affected Software
VendorProductVersion
n/aceph-dashboardceph-dashboard 14.2.17, ceph-dashboard 15.2.9
redhatceph< 14.2.17
redhatceph≥ 15.2.0, < 15.2.9
Published: 2021-05-26