synced 15 MIN AGO
01 Record

CVE-2023-47865

Username and Icon override can be used by members when Hardened Mode is enabled

MediumPUBLISHEDCNA: Mattermost
CNA base score4.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

02 Description

Username and Icon override can be used by members when Hardened Mode is enabled

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.41% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 35.6% of scored records. A rank, not a probability.
NVD base score
4.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2023-11-27 09:05Z2 YR AGO
Last updated
2024-08-02 21:16Z2 YR AGO
Reserved
2023-11-22
Assigning CNA
Mattermost
Record state
PUBLISHED
Severity
Medium (CVSS 4.3)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weaknesses
  • CWE-284Improper Access ControlPillar
Data version
5.1
Document digest
db0da414489c8496e30d29cc59b048996e799090e9e21cf5a2437de7a63ef21d

05 Affected products

VendorProductVersionsPlatforms
MattermostMattermost0 to 8.1.3, 0 to 7.8.12—

06 References

07 Remediation

Update Mattermost Server to versions 7.8.13, 8.1.4 or higher.