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Micollab CVE-2024-30159

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2024-10-21 cve@mitre.org
4.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 4.8 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, user interaction required.

Exploit ScenarioDerived

A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAI

A vulnerability in the web conferencing component of Mitel MiCollab through 9.7.1.110 could allow an authenticated attacker with administrative privileges to conduct a Stored Cross-Site Scripting. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

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 Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A vulnerability in the web conferencing component of Mitel MiCollab through 9.7.1.110 could allow an authenticated attacker with administrative privileges to conduct a Stored Cross-Site Scripting (XSS) attack due to insufficient validation of user input. A successful exploit could allow an attacker to execute arbitrary scripts. Affected products include: Mitel Micollab. Version information: through 9.7.1.110.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.8 MEDIUM
AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

DescriptionNVD

A vulnerability in the web conferencing component of Mitel MiCollab through 9.7.1.110 could allow an authenticated attacker with administrative privileges to conduct a Stored Cross-Site Scripting (XSS) attack due to insufficient validation of user input. A successful exploit could allow an attacker to execute arbitrary scripts.

Threat Intelligence Overview

EPSS Score
0.3%
Top 79% exploitable
Data Quality
2 sources
Confidence: Low

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.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

24
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +24
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)NVD

cpe:2.3:a:mitel:micollab:*:*:*:*:*:*:*:*
CVE-2024-41713 CRITICAL POC
9.1 Oct 21

A vulnerability in the NuPoint Unified Messaging (NPM) component of Mitel MiCollab through 9.8 SP1 FP2 (9.8.1.201) could

CVE-2014-0160 HIGH POC
7.5 Apr 07

The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packe

CVE-2024-55550 LOW POC
2.7 Dec 10

Mitel MiCollab through 9.8 SP2 could allow an authenticated attacker with administrative privilege to conduct a local fi

CVE-2018-3639 MEDIUM POC
5.5 May 22

Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addres

CVE-2024-35286 CRITICAL POC
9.8 Oct 21

A vulnerability in NuPoint Messenger (NPM) of Mitel MiCollab through 9.8.0.33 allows an unauthenticated attacker to cond

CVE-2022-26143 CRITICAL POC
9.8 Mar 10

The TP-240 (aka tp240dvr) component in Mitel MiCollab before 9.4 SP1 FP1 and MiVoice Business Express through 8.1 allows

CVE-2024-35314 CRITICAL
9.8 Oct 21

A vulnerability in the Desktop Client of Mitel MiCollab through 9.7.1.110, and MiVoice Business Solution Virtual Instanc

CVE-2024-35285 CRITICAL
9.8 Oct 21

A vulnerability in NuPoint Messenger (NPM) of Mitel MiCollab through 9.8.0.33 allows an unauthenticated attacker to cond

CVE-2022-41326 CRITICAL
9.8 Nov 22

The web conferencing component of Mitel MiCollab through 9.6.0.13 could allow an unauthenticated attacker to upload arbi

CVE-2022-36452 CRITICAL
9.8 Oct 25

A vulnerability in the web conferencing component of Mitel MiCollab through 9.5.0.101 could allow an unauthenticated att

CVE-2021-32071 CRITICAL
9.8 Aug 13

The MiCollab Client service in Mitel MiCollab before 9.3 could allow an unauthenticated user to gain system access due t

CVE-2019-12165 CRITICAL
9.8 May 29

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.

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