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Fencer Intel
medium 4.3

CVE-2024-23493 json

Team associated AD/LDAP Groups Leaked due to missing authorization

published 2y ago modified 3mo ago also BIT-mattermost-2024-23493 , EUVD-2024-0563 , GHSA-7v3v-984v-h74r , GO-2024-2590

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits
0
none known

Summary

Mattermost fails to properly authorize the requests fetching team associated AD/LDAP groups, allowing a user to fetch details of AD/LDAP groups of a team that they are not a member of.

Patch / fix

  • go github.com/mattermost/mattermost/server/v8 9.2.5, 9.3.1, 9.4.2
  • bitnami mattermost 8.1.9, 9.2.5, 9.4.2
  • go github.com/mattermost/mattermost-server 9.2.5+incompatible, 9.3.1+incompatible, 9.4.2+incompatible
  • Mattermost Mattermost 8.1.9, 9.2.5, 9.3.1, 9.4.2, 9.5.0

Is CVE-2024-23493 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2y ago

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
GitHub 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
OSV 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
go github.com/mattermost/mattermost/server/v8
>=9.4.0, <9.4.2
>=9.3.0, <9.3.1
>=9.2.0, <9.2.5
all versions
9.4.2
9.3.1
9.2.5
bitnami mattermost
<8.1.9
>=9.0.0, <9.2.5
>=9.4.0, <9.4.2
>=9.3.0-rc1, <=9.3.0-rc1
>=9.3.0-rc2, <=9.3.0-rc2
>=9.3.0, <=9.3.0
8.1.9
9.2.5
9.4.2
go github.com/mattermost/mattermost-server
>=9.2.0+incompatible, <9.2.5+incompatible
>=9.3.0+incompatible, <9.3.1+incompatible
>=9.4.0+incompatible, <9.4.2+incompatible
9.2.5+incompatible
9.3.1+incompatible
9.4.2+incompatible
go github.com/mattermost/mattermost-server/v5
all versions
 no fix listed
go github.com/mattermost/mattermost-server/v6
all versions
 no fix listed

Affected products

  • Mattermost Mattermost

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-862 Missing Authorization

References

Sources

Fencer Intel 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.