CVE-2022-1337

mediumpriority · track · 26EPSS 0.009 · 60 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.92% (60th) EPSS

CVSS 4 · medium

Is it mine?

15 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

The image proxy component in Mattermost version 6.4.1 and earlier allocates memory for multiple copies of a proxied image, which allows an authenticated attacker to crash the server via links to very large image files.

cvss

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

6.5

010

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

v2.04mediumAV:N/AC:L/Au:S/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8 · impact 2.9

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

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

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/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-770USprimaryCWE-400USCWE-400USCWE-770US

affected products (15)

Products and version ranges known to be affected.

Mattermost Mattermost5.37 → 5.37.9enisa_euvdEU
Mattermost Mattermost6.2 → 6.2.5enisa_euvdEU
Mattermost Mattermost6.3 → 6.3.5enisa_euvdEU
Mattermost Mattermost6.4 → 6.4.2enisa_euvdEU
mattermost mattermost server5.37.0 → 5.37.9nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
mattermost mattermost server6.2.0 → 6.2.5nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
mattermost mattermost server6.3.0 → 6.3.5nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
mattermost mattermost server6.4.0 → 6.4.2nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Bitnami mattermost5.37.0 → 5.37.9osvUSpkg:bitnami/mattermost
Bitnami mattermost6.2.0 → 6.2.5osvUSpkg:bitnami/mattermost
Bitnami mattermost6.3.0 → 6.3.5osvUSpkg:bitnami/mattermost
Bitnami mattermost6.4.0 → 6.4.2osvUSpkg:bitnami/mattermost
Go github.com/mattermost/mattermost-serverall versionsosvUSpkg: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/v6< 6.4.2osvUSpkg:golang/github.com/mattermost/mattermost-server/v6

advisories (3)

Vendor and ecosystem advisories describing this.

GHSA-f37q-q7p2-ccfcResource exhaustion in Mattermost2022-04-14ghsa · osvUS
The image proxy component in Mattermost version 6.4.1 and earlier allocates memory for multiple copies of a proxied image, which allows an authenticated attacker to crash the server via links to very large image files.
BIT-mattermost-2022-13372024-03-06vendor · osvUS
The image proxy component in Mattermost version 6.4.1 and earlier allocates memory for multiple copies of a proxied image, which allows an authenticated attacker to crash the server via links to very large image files.
GO-2022-0595Resource exhaustion in Mattermost in github.com/mattermost/mattermost-server2024-08-21vendor · osvUS
Resource exhaustion in Mattermost in github.com/mattermost/mattermost-server

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 2022-04-13modified 2026-06-17

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+3259 more

references (4)

External citations — patches, advisories, analysis.

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