CVE-2024-23493Network attack vector

Authenticated AD/LDAP group disclosure via missing team authorization

Published Feb 29, 2024 · Updated Aug 1, 2024

Information disclosure in affected Mattermost releases allows remote authenticated users to read team-associated AD/LDAP group details. Group-fetch requests accept a team identifier and return associated directory-group details without verifying that the requester belongs to that team. Exploitation requires a valid account and configured AD/LDAP group synchronization; the reported consequence is unauthorized read access only.

CVSS severity4.3
Medium
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in affected Mattermost releases allows remote authenticated users to read team-associated AD/LDAP group details. Group-fetch requests accept a team identifier and return associated directory-group details without verifying that the requester belongs to that team. Exploitation requires a valid account and configured AD/LDAP group synchronization; the reported consequence is unauthorized read access only.

The record

CVE
CVE-2024-23493
Published
Feb 29, 2024
Updated
Aug 1, 2024
Vendor
Mattermost
Product
Mattermost
Classifications
CWE-862, CWE-200, T1069.002
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 29, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=8.1.8
  2. Affected versionversion=0 <=9.2.5
  3. Affected versionversion=0 <=9.3.0
  4. Affected versionversion=0 <=9.4.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Mattermost · Mattermostversion=0 <=8.1.8; version=0 <=9.2.5; version=0 <=9.3.0; version=0 <=9.4.1

Published CVSS scores

6.5NISTCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.3Mattermost, Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1069.002Domain Groups

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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