CVE-2020-27839

CWE-522 — Insufficiently Protected CredentialsCWE-79 — Cross-site Scripting (XSS)10 documents8 sources
Severity
5.4MEDIUM
EPSS
0.3%
top 43.63%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Redhat Ceph
Timeline
PublishedMay 26
Latest updateMay 24

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 vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NExploitability: 2.3 | Impact: 2.7

Affected Packages3 packages

▶CVEListV5ceph-dashboardas shipped in Red Hat Ceph Storage 4, ceph-dashboard 14.2.17, ceph-dashboard 15.2.9+1
▶NVDredhat/ceph15.2.0 — 15.2.9+1
▶Debianceph< 14.2.18-1+3

🔴Vulnerability Details

4
GHSA
GHSA-2c8x-3ppx-9gj3: A flaw was found in ceph-dashboard↗2022-05-24
▶
OSV
ceph vulnerabilities↗2021-06-25
▶
OSV
CVE-2020-27839: A flaw was found in ceph-dashboard↗2021-05-26
▶
CVEList
CVE-2020-27839: A flaw was found in ceph-dashboard↗2021-05-26
▶

📋Vendor Advisories

4
Ubuntu
Ceph vulnerabilities↗2021-06-25
▶
Red Hat
ceph-dashboard: Cross-site scripting via token Cookie↗2021-05-13
▶
Red Hat
ceph-dashboard: Don't use Browser's LocalStorage for storing JWT but Secure Cookies with proper HTTP Headers↗2020-03-13
▶
Debian
CVE-2020-27839: ceph - A flaw was found in ceph-dashboard. The JSON Web Token (JWT) used for user authe...↗2020
▶

💬Community

1
Bugzilla
(CVE-2020-27839) [security] Don't use Browser's LocalStorage for storing JWT but Secure Cookies with proper HTTP Headers↗2020-10-19
▶