4.3

CVE-2024-10241: Private channel names leaked with Ctrl+K when ElasticSearch is enabled

Analyzed
AliasesGHSA-6mvp-gh77-7vwhGO-2024-3232CGA-239g-mm7c-cjxv
Published 29-10-2024Last modified 29-10-2024

Vulnerability summary

CVE-2024-10241 is a medium (CVSS 4.3) Improper Access Control vulnerability in mattermost. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 22.2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.29%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 6
OPENSUSE-SU-2024:0350-1OPENSUSE-SU-2024:14447-1SUSE-SU-2024:3911-1CGA-2PQC-HFPV-9637CGA-FC92-5HJ6-C6VVCGA-WMHP-32V6-V4JF

Timeline

  1. 29-10-2024
    PublishedVulnerability first disclosed.
  2. 29-10-2024
    Last modifiedVulnerability information updated.

Description

Mattermost versions 9.5.x <= 9.5.9 fail to properly filter the channel data when ElasticSearch is enabled which allows a user to get private channel names by using cmd+K/ctrl+K.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.29% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard2 products
  • mattermost-fips-10.5All versions (No fix recorded)
  • mattermost-fips-10.5-compatAll versions (No fix recorded)
Github.com/mattermost/mattermost-server2 products
  • v5All versions (No fix recorded)
  • v6All versions (No fix recorded)
Mattermost2 products
Github.com/mattermost1 product
  • mattermost-serverAll versions (No fix recorded)
Github.com/mattermost/mattermost/server1 product
  • v8< 8.0.0-20240813135334-8f3a13122f55

5 vendors · 8 products

References

5 links