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Fencer Vulns
medium 4.7

CVE-2022-1384 json

Authorized users are allowed to install old plugin versions from the Marketplace

published 2022-04-19 4 y ago modified 2026-06-17 4 mo ago also BIT-mattermost-2022-1384 , EUVD-2022-1604 , GHSA-32rp-q37p-jg6w , GO-2022-0576

cvss
4.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits
0
none known

Summary

Mattermost version 6.4.x and earlier fails to properly check the plugin version when a plugin is installed from the Marketplace, which allows an authenticated and an authorized user to install and exploit an old plugin version from the Marketplace which might have known vulnerabilities.

Patch / fix

  • go github.com/mattermost/mattermost-server/v6 6.5.0
  • bitnami mattermost 6.5.0
  • mattermost mattermost_server 6.5.0

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.7 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
GitHub 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.0 AV:N/AC:M/Au:S/C:P/I:P/A:P
OSV 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
go github.com/mattermost/mattermost-server/v6
>=6.4.0, <6.5.0
6.5.0
bitnami mattermost
<6.5.0
6.5.0
go github.com/mattermost/mattermost-server
all versions
no fix listed
go github.com/mattermost/mattermost-server/v5
all versions
no fix listed

Affected products

  • Mattermost Mattermost

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.