CVE-2020-27839

ceph-dashboard: Don't use Browser's LocalStorage for storing JWT but Secure Cookies with proper HTTP Headers

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Se encontró un fallo en ceph-dashboard. El programa JSON Web Token (JWT) usado para la autenticación del usuario es almacenada en la aplicación frontend en el almacenamiento local del navegador, que es potencialmente vulnerable a atacantes por medio de ataques de tipo XSS. La mayor amenaza de esta vulnerabilidad es la confidencialidad e integridad de los datos

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-10-27 CVE Reserved
2021-05-26 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-522: Insufficiently Protected Credentials

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=1901330	2021-06-03
https://access.redhat.com/security/cve/CVE-2020-27839	2021-06-15

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Redhat Search vendor "Redhat"		Ceph Search vendor "Redhat" for product "Ceph"				< 14.2.17 Search vendor "Redhat" for product "Ceph" and version " < 14.2.17"		-		Affected
Redhat Search vendor "Redhat"		Ceph Search vendor "Redhat" for product "Ceph"				>= 15.2.0 < 15.2.9 Search vendor "Redhat" for product "Ceph" and version " >= 15.2.0 < 15.2.9"		-		Affected