CVE-2024-1953

mediumpriority · track · 17EPSS 0.005 · 43 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.51% (43rd) EPSS

CVSS 4.3 · medium

Is it mine?

23 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, 9.3.0, and 9.4.x before 9.4.2 fail to limit the number of role names requested from the API, allowing an authenticated attacker to cause the server to run out of memory and crash by issuing an unusually large HTTP request.

cvss

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

4.3

010

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

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Lprimary · NVD / NIST USexploitability 2.8 · impact 1.4

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Lsecondary · responsibledisclosure@mattermost.comexploitability 2.8 · impact 1.4

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Lsecondary · OSV

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/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-770USprimaryCWE-400USCWE-400USCWE-770US

affected products (23)

Products and version ranges known to be affected.

Mattermost Mattermost≤ 9.4.0 ≤9.4.1enisa_euvdEU
Mattermost Mattermost≤ 9.3.0enisa_euvdEU
Mattermost Mattermost≤ 9.2.0 ≤9.2.4enisa_euvdEU
Mattermost Mattermostall versionsenisa_euvdEU
Mattermost Mattermost≤ 8.1.0 ≤8.1.8enisa_euvdEU
mattermost mattermost server8.1.0 → 8.1.9nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
mattermost mattermost server9.2.0 → 9.2.5nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
mattermost mattermost server= 9.3.0nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
mattermost mattermost server9.4.0 → 9.4.2nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Bitnami mattermost8.1.0 → 8.1.9osvUSpkg:bitnami/mattermost
Bitnami mattermost9.2.0 → 9.2.5osvUSpkg:bitnami/mattermost
Bitnami mattermost= 9.3.0osvUSpkg:bitnami/mattermost
Bitnami mattermost9.4.0 → 9.4.2osvUSpkg:bitnami/mattermost
Go github.com/mattermost/mattermost-server9.2.0+incompatible → 9.2.5+incompatibleosvUSpkg:golang/github.com/mattermost/mattermost-server
Go github.com/mattermost/mattermost-server9.3.0+incompatible → 9.3.1+incompatibleosvUSpkg:golang/github.com/mattermost/mattermost-server
Go github.com/mattermost/mattermost-server9.4.0+incompatible → 9.4.2+incompatibleosvUSpkg:golang/github.com/mattermost/mattermost-server
Go github.com/mattermost/mattermost-server/v5all versionsosvUSpkg:golang/github.com/mattermost/mattermost-server/v5
Go github.com/mattermost/mattermost-server/v6all versionsosvUSpkg:golang/github.com/mattermost/mattermost-server/v6
Go github.com/mattermost/mattermost/server/v8all versionsosvUSpkg:golang/github.com/mattermost/mattermost/server/v8
Go github.com/mattermost/mattermost/server/v8< 8.1.9osvUSpkg:golang/github.com/mattermost/mattermost/server/v8

showing 20 of 23

advisories (3)

Vendor and ecosystem advisories describing this.

GHSA-vm9m-57jr-4pxhMattermost fails to limit the number of role names2024-02-29ghsa · osvUS
Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, 9.3.0, and 9.4.x before 9.4.2 fail to limit the number of role names requested from the API, allowing an authenticated attacker to cause the server to run out of memory and crash by issuing an unusually large HTTP request.
BIT-mattermost-2024-19532024-12-16vendor · osvUS
Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, 9.3.0, and 9.4.x before 9.4.2 fail to limit the number of role names requested from the API, allowing an authenticated attacker to cause the server to run out of memory and crash by issuing an unusually large HTTP request.
GO-2024-2594Mattermost fails to limit the number of role names in github.com/mattermost/mattermost-server2024-06-28vendor · osvUS
Mattermost fails to limit the number of role names in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/mattermost/mattermost/server/v8 before v8.1.9.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2024-02-29modified 2026-06-17

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+3263 more

references (5)

External citations — patches, advisories, analysis.

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