CVE & CISA-KEV Catalog

CVE-2020-27839

MEDIUMEPSS 82th pctl
5.4
CVSS v3
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.

CWE-522

How to fix

Remediation Available
cephDebian
Fixed in:14.2.18-1CVE-2020-27839
Fixed in:14.2.18-1CVE-2020-27839
Fixed in:14.2.18-1CVE-2020-27839
Fixed in:14.2.18-1CVE-2020-27839
cephUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-baseUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-commonUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgrUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-cephadmUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-dashboardUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-diskprediction-cloudUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-diskprediction-localUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-k8seventsUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-modules-coreUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-rookUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
cephadmUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
radosgwUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionRequired
ScopeChanged

Impact

ConfidentialityLow
IntegrityLow
AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

2.45%probability of exploitation in 30 days
82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Vendor Advisory1
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CVE-2020-27839 severity badge

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.