CVE-2023-2515

highpriority · track · 35OT risk · elevatedEPSS 0.005 · 40 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.47% (40th) EPSS

CVSS 8.8 · high

Is it mine?

16 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

Mattermost fails to restrict a user with permissions to edit other users and to create personal access tokens from elevating their privileges to system admin

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.7–8.8

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.14.7mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:Lsecondary · ENISA EU

v3.14.7mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:Lsecondary · responsibledisclosure@mattermost.comexploitability 1.2 · impact 3.4

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863USprimaryCWE-863US

affected products (16)

Products and version ranges known to be affected.

Mattermost Mattermost≤ 0 ≤7.1.7enisa_euvdEU
Mattermost Mattermost≤ 0 ≤7.7.3enisa_euvdEU
Mattermost Mattermost≤ 0 ≤7.8.2enisa_euvdEU
Mattermost Mattermost≤ 0 ≤7.9.1enisa_euvdEU
mattermost mattermost server< 7.1.8nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
mattermost mattermost server7.2.0 → 7.7.4nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
mattermost mattermost server7.8.0 → 7.8.3nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
mattermost mattermost server7.9.0 → 7.9.2nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Bitnami mattermost< 7.1.8osvUSpkg:bitnami/mattermost
Bitnami mattermost7.2.0 → 7.7.4osvUSpkg:bitnami/mattermost
Bitnami mattermost7.8.0 → 7.8.3osvUSpkg:bitnami/mattermost
Bitnami mattermost7.9.0 → 7.9.2osvUSpkg:bitnami/mattermost
Go github.com/mattermost/mattermost-server/v6< 7.1.8osvUSpkg:golang/github.com/mattermost/mattermost-server/v6
Go github.com/mattermost/mattermost-server/v67.2.0 → 7.7.4osvUSpkg:golang/github.com/mattermost/mattermost-server/v6
Go github.com/mattermost/mattermost-server/v67.8.0 → 7.8.3osvUSpkg:golang/github.com/mattermost/mattermost-server/v6
Go github.com/mattermost/mattermost-server/v67.9.0 → 7.9.2osvUSpkg:golang/github.com/mattermost/mattermost-server/v6

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0955Mattermost Server: Mehrere SchwachstellenDeutsch2023-04-12csaf · cert_bundDE
Ein authentisierter Angreifer kann mehrere Schwachstellen im Mattermost Server ausnutzen, um Informationen offenzulegen und um seine Privilegien zu erweitern.
GHSA-7g2v-2frm-rg94Mattermost Incorrect Authorization vulnerability2023-05-12ghsa · osvUS
Mattermost fails to restrict a user with permissions to edit other users and to create personal access tokens from elevating their privileges to system admin
BIT-mattermost-2023-25152024-03-06vendor · osvUS
Mattermost fails to restrict a user with permissions to edit other users and to create personal access tokens from elevating their privileges to system admin

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd cert_bund NVD CVE.org MITRE

published 2023-05-12modified 2026-06-17

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+5006 more

references (5)

External citations — patches, advisories, analysis.

scry

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