CVE-2023-4107

mediumpriority · track · 26OT risk · elevatedEPSS 0.005 · 43 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.51% (43rd) EPSS

CVSS 6.5 · medium

Is it mine?

9 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

Mattermost fails to properly validate the requesting user permissions when updating a system admin, allowing a user manager to update a system admin's details such as email, first name and last name.

cvss

Technical severity, 0–10. One row per scoring source.

6.7

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.16.7mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Lsecondary · ENISA EU

v3.16.7mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Lsecondary · responsibledisclosure@mattermost.comexploitability 1.2 · impact 5.5

v3.16.7mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Lsecondary · OSV

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863USprimaryCWE-284USCWE-863US

affected products (9)

Products and version ranges known to be affected.

Mattermost Mattermost≤ 0 ≤7.9.5enisa_euvdEU
Mattermost Mattermost≤ 0 ≤7.10.3enisa_euvdEU
Mattermost Mattermost≤ 0 ≤7.8.7enisa_euvdEU
mattermost mattermost7.10.0 → 7.10.4nvdUScpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
mattermost mattermost7.8.0 → 7.8.8nvdUScpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
mattermost mattermost7.9.0 → 7.9.6nvdUScpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
Go github.com/mattermost/mattermost-server/v6< 7.8.8osvUSpkg:golang/github.com/mattermost/mattermost-server/v6
Go github.com/mattermost/mattermost-server/v67.10.0 → 7.10.4osvUSpkg:golang/github.com/mattermost/mattermost-server/v6
Go github.com/mattermost/mattermost-server/v67.9.0 → 7.9.6osvUSpkg:golang/github.com/mattermost/mattermost-server/v6

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1739Mattermost: Mehrere SchwachstellenDeutsch2023-07-12csaf · cert_bundDE
Ein Angreifer kann eine Schwachstelle in Mattermost ausnutzen, um Informationen offenzulegen, Sicherheitsvorkehrungen zu umgehen, Daten zu manipulieren und einen Denial of Service zu verursachen.
GHSA-6xjj-v76v-fwpjMattermost does not validate requesting user permissions before updating admin details2023-08-11ghsa · osvUS
Mattermost fails to properly validate the requesting user permissions when updating a system admin, allowing a user manager to update a system admin's details such as email, first name and last name.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv cert_bund NVD CVE.org MITRE

published 2023-08-11modified 2026-06-17

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+5006 more

references (4)

External citations — patches, advisories, analysis.

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