CVE-2023-3577

mediumpriority · track · 17EPSS 0.004 · 32 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.38% (32nd) EPSS

CVSS 4.3 · medium

Is it mine?

7 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

Mattermost fails to properly restrict requests to localhost/intranet during the interactive dialog, which could allow an attacker to perform a limited blind SSRF.

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⚠ sources disagree · low–medium · 3.5–4.3

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

v3.13.5lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:Nsecondary · ENISA EU

v3.13.5lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:Nsecondary · responsibledisclosure@mattermost.comexploitability 1.8 · impact 1.4

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/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-918USprimary

affected products (7)

Products and version ranges known to be affected.

Mattermost Mattermost≤ 0 ≤7.9.6enisa_euvdEU
Mattermost Mattermost≤ 0 ≤7.8.6enisa_euvdEU
Mattermost Mattermost≤ 0 ≤7.10.2enisa_euvdEU
mattermost mattermost server7.10.0 → 7.10.3nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
mattermost mattermost server7.8.0 → 7.8.7nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Bitnami mattermost7.10.0 → 7.10.3osvUSpkg:bitnami/mattermost
Bitnami mattermost7.8.0 → 7.8.7osvUSpkg:bitnami/mattermost

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1486Mattermost: Mehrere SchwachstellenDeutsch2023-06-15csaf · cert_bundDE
Ein entfernter anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Mattermost ausnutzen, um einen Denial-of-Service-Zustand auszulösen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen und Daten zu manipulieren.
BIT-mattermost-2023-35772024-03-06vendor · osvUS
Mattermost fails to properly restrict requests to localhost/intranet during the interactive dialog, which could allow an attacker to perform a limited blind SSRF.

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 2023-07-17modified 2026-06-17

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+4181 more

references (5)

External citations — patches, advisories, analysis.

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