CVE-2023-39290Network attack vector

Privileged system-information disclosure via improper configuration

Published Aug 25, 2023 · Updated Oct 2, 2024

Information disclosure in Mitel MiVoice Connect Edge Gateway 19.3 SP3 and earlier allows remote authenticated users to view system information. Mitel identifies improper configuration as the cause but has not published the affected setting, request path, or operation that exposes the data. Exploitation requires elevated authenticated privileges over the network, and the documented consequence is limited to viewing system information.

CVSS severity4.9
Medium
EPSS probability0.56%
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 Mitel MiVoice Connect Edge Gateway 19.3 SP3 and earlier allows remote authenticated users to view system information. Mitel identifies improper configuration as the cause but has not published the affected setting, request path, or operation that exposes the data. Exploitation requires elevated authenticated privileges over the network, and the documented consequence is limited to viewing system information.

The record

CVE
CVE-2023-39290
Published
Aug 25, 2023
Updated
Oct 2, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1082
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 25, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.9NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/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.

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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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1082System Information Discovery

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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