Micollab
CVE-2022-36452
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V5 - File Handling File type validation, storage isolation
MITRE ATT&CK
2 techniques across 2 tactics: Command and Control, Persistence The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could upload malicious files that can be executed on the server by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
A vulnerability in the web conferencing component of Mitel MiCollab through 9.5.0.101 could allow an unauthenticated attacker to upload malicious files. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. 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. Affected products include: Mitel Micollab. Version information: through 9.5.0.101.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
Affected Products (CPE)NVD
A vulnerability in the NuPoint Unified Messaging (NPM) component of Mitel MiCollab through 9.8 SP1 FP2 (9.8.1.201) could
The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packe
Mitel MiCollab through 9.8 SP2 could allow an authenticated attacker with administrative privilege to conduct a local fi
Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addres
A vulnerability in NuPoint Messenger (NPM) of Mitel MiCollab through 9.8.0.33 allows an unauthenticated attacker to cond
The TP-240 (aka tp240dvr) component in Mitel MiCollab before 9.4 SP1 FP1 and MiVoice Business Express through 8.1 allows
A vulnerability in the Desktop Client of Mitel MiCollab through 9.7.1.110, and MiVoice Business Solution Virtual Instanc
A vulnerability in NuPoint Messenger (NPM) of Mitel MiCollab through 9.8.0.33 allows an unauthenticated attacker to cond
The web conferencing component of Mitel MiCollab through 9.6.0.13 could allow an unauthenticated attacker to upload arbi
The MiCollab Client service in Mitel MiCollab before 9.3 could allow an unauthenticated user to gain system access due t
MiCollab 7.3 PR2 (7.3.0.204) and earlier, 7.2 (7.2.2.13) and earlier, and 7.1 (7.1.0.57) and earlier and MiCollab AWV 6.
A vulnerability in the AWV (Audio, Web and Video Conferencing) component of Mitel MiCollab through 9.8 SP1 FP2 (9.8.1.20
GitHub PoC
Exploit-DB