HOMEVULNERABILITIESCVE-2023-31459
HIGH

CVE-2023-31459

CWE-640Published: May 24, 2023· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

A vulnerability in the Connect Mobility Router component of Mitel MiVoice Connect versions 9.6.2208.101 and earlier could allow an unauthenticated attacker with internal network access to authenticate with administrative privileges, because the initial installation does not enforce a password change. A successful exploit could allow an attacker to make arbitrary configuration changes and execute arbitrary commands.

NVD Source

Technical Analysis

CVE-2023-31459 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

mitel1 product(s)
mivoice connect
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://www.mitel.com/support/security-advisories
ADVISORYhttps://www.mitel.com/support/security-advisories/mitel-product-security-advisory-23-0006
ADVISORYhttps://www.mitel.com/support/security-advisories
ADVISORYhttps://www.mitel.com/support/security-advisories/mitel-product-security-advisory-23-0006

All References (4)

→
https://www.mitel.com/support/security-advisoriesVendor Advisory
→
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-23-0006Vendor Advisory
→
https://www.mitel.com/support/security-advisoriesVendor Advisory
→
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-23-0006Vendor Advisory

Quick Facts

CVE IDCVE-2023-31459
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-640
CISA KEVNo
Affected1 vendor(s)
PublishedMay 24, 2023

Related CVEs (CWE-640)

CVE-2018-1000554
9.8
CVE-2018-1000501
9.8
CVE-2018-10081
9.8
CVE-2018-12421
9.8
CVE-2025-50433
9.8
CVE-2025-12866
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-31459 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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