9.8

CVE-2022-41326: mitel micollab Missing Authorization

Modified
Published 22-11-2022Last modified 29-04-2025

Vulnerability summary

CVE-2022-41326 is a critical (CVSS 9.8) Missing Authorization vulnerability in mitel micollab. EPSS estimates a 1.51% chance of exploitation in the next 30 days, higher than 74.4% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.8 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 2% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.51%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 22-11-2022
    PublishedVulnerability first disclosed.
  2. 29-04-2025
    Last modifiedVulnerability information updated.

Description

The web conferencing component of Mitel MiCollab through 9.6.0.13 could allow an unauthenticated attacker to upload arbitrary scripts due to improper authorization controls. A successful exploit could allow remote code execution within the context of the application.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.51%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

Increase +0.03 pp

From 1.48% 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

2 links