5.9

CVE-2023-25597: mitel micollab Improper Authentication

Modified
Published 14-04-2023Last modified 07-02-2025

Vulnerability summary

CVE-2023-25597 is a medium (CVSS 5.9) Improper Authentication vulnerability in mitel micollab. EPSS estimates a 0.68% chance of exploitation in the next 30 days, higher than 52.2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.9, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.9/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.68%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 14-04-2023
    PublishedVulnerability first disclosed.
  2. 07-02-2025
    Last modifiedVulnerability information updated.

Description

A vulnerability in the web conferencing component of Mitel MiCollab through 9.6.2.9 could allow an unauthenticated attacker to download a shared file via a crafted request - including the exact path and filename - due to improper authentication control. A successful exploit could allow access to sensitive information.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.68%

Chance of exploitation in the next 30 days

Percentile

52%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.68% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Mitel1 product

1 vendor · 1 product

References

1 links