HOMEVULNERABILITIESCVE-2022-36452
CRITICAL

CVE-2022-36452

CWE-434Published: October 25, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

A vulnerability in the web conferencing component of Mitel MiCollab through 9.5.0.101 could allow an unauthenticated attacker to upload malicious files. A successful exploit could allow an attacker to execute arbitrary code within the context of the application.

NVD Source

Technical Analysis

CVE-2022-36452 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

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 9.8.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

mitel1 product(s)
micollab
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-22-0006
ADVISORYhttps://www.mitel.com/support/security-advisories
ADVISORYhttps://www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0006

All References (4)

→
https://www.mitel.com/support/security-advisoriesVendor Advisory
→
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0006Vendor Advisory
→
https://www.mitel.com/support/security-advisoriesVendor Advisory
→
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-22-0006Vendor Advisory

Quick Facts

CVE IDCVE-2022-36452
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-434
CISA KEVNo
Affected1 vendor(s)
PublishedOct 25, 2022

Related CVEs (CWE-434)

CVE-2025-47641
10.0
CVE-2025-39401
10.0
CVE-2025-47577
10.0
CVE-2025-47637
10.0
CVE-2025-39380
10.0
CVE-2025-47642
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-36452 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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