CVE-2024-28815Network attack vector

Unauthenticated command execution via insecure BluStar configuration

Published Mar 27, 2024 · Updated Aug 2, 2024

Improper configuration in BluStar in Mitel InAttend 2.6 SP4 through 2.7 and CMG 8.5 SP4 through 8.6 allows remote attackers to execute commands. BluStar ships with insecure configurations that permit unauthorized access; Mitel has not disclosed the affected setting or request path. No authentication or user interaction is required, and exploitation also permits sensitive-data access and system-configuration changes.

CVSS severity9.8
Critical
EPSS probability0.92%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper configuration in BluStar in Mitel InAttend 2.6 SP4 through 2.7 and CMG 8.5 SP4 through 8.6 allows remote attackers to execute commands. BluStar ships with insecure configurations that permit unauthorized access; Mitel has not disclosed the affected setting or request path. No authentication or user interaction is required, and exploitation also permits sensitive-data access and system-configuration changes.

The record

CVE
CVE-2024-28815
Published
Mar 27, 2024
Updated
Aug 2, 2024
Vendor
Mitel
Product
Mitel InAttend
Classifications
CWE-1188, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 27, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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=2.6_sp4 <=2.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Mitel · Mitel InAttendversion=2.6_sp4 <=2.7
Mitel · Mitel CMG Suiteversion=8.5_sp4 <=8.6

Published CVSS scores

9.8MitelCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1188Initialization of a Resource with an Insecure Default
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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