CVE-2021-3509
Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 26 May 2021, 23:56
Last modified:03 Aug 2024, 16:53
Vulnerability Summary
Overall Risk (default)
medium
35/100 CVSS Score
6.1 MEDIUM
v3.1 (nvd)
EPSS Score
0.63% LOW
1% probability +0.04%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected
Timeline
26 May 2021, 23:56
Published
Vulnerability first disclosed
03 Aug 2024, 16:53
Last Modified
Vulnerability information updated
Description
A flaw was found in Red Hat Ceph Storage 4, in the Dashboard component. In response to CVE-2020-27839, the JWT token was moved from localStorage to an httpOnly cookie. However, token cookies are used in the body of the HTTP response for the documentation, which again makes it available to XSS.The greatest threat to the system is for confidentiality, integrity, and availability.
CVSS Metrics
- v3.1•MEDIUM•Score: 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- v2.0•MEDIUM•Score: 4.3AV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS Trends
Current EPSS score: 0.63%• Percentile: 71%
Techniques & Countermeasures
- CWE-79•Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Affected Systems
- redhat•ceph_storage
4.0
References (5)
- https://bugzilla.redhat.com/show_bug.cgi?id=1950116
- https://github.com/ceph/ceph/blob/f1557e8f62d31883d3d34ae241a1a26af11d923f/src/pybind/mgr/dashboard/controllers/docs.py#L394-L409
- https://github.com/ceph/ceph/commit/adda853e64bdba1288d46bc7d462d23d8f2f10ca
- https://github.com/ceph/ceph/commit/7a1ca8d372da3b6a4fc3d221a0e5f72d1d61c27b
- https://github.com/ceph/ceph/commit/af3fffab3b0f13057134d96e5d481e400d8bfd27