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Fencer Vulns
critical 9.8

CVE-2023-31457 json

A vulnerability in the Headquarters server component of Mitel MiVoice Connect versions 19.3 SP2 (22.24.1500.0) and earlier could allow an u…

published 2023-05-24 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-35763

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

A vulnerability in the Headquarters server component of Mitel MiVoice Connect versions 19.3 SP2 (22.24.1500.0) and earlier could allow an unauthenticated attacker with internal network access to execute arbitrary scripts due to improper access control.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
21 mo ago

Exploit prediction

0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.