4.3med

CVE-2024-9155

Insufficient Authorization On Unlinked Channel Files

Published 2 y ago · modified 4 mo ago · JSON

CVSS
4.3
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 18%
Public exploits
0
none known

Summary

Mattermost versions 9.10.x <= 9.10.1, 9.9.x <= 9.9.2, 9.5.x <= 9.5.8 fail to limit access to channels files that have not been linked to a post which allows an attacker to view them in channels that they are a member of.

CISA SSVC assessment

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction (EPSS)

0.26% probability of exploitation in the next 30 days, higher than 18% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.14.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA3.14.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

  • Mattermost Mattermost

Classification

Weakness

References

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.