Home/CVE/A vulnerability in the web conference chat component of MiCollab, versions 7.3 PR6 (7.3.0.601) and earlier, and 8.0 (8.0
CVE

CVE-2018-18819

A vulnerability in the web conference chat component of MiCollab, versions 7.3 PR6 (7.3.0.601) and earlier, and 8.0 (8.0

A vulnerability in the web conference chat component of MiCollab, versions 7.3 PR6 (7.3.0.601) and earlier, and 8.0 (8.0.0.40) through 8.0 SP2 FP2 (8.0.2.202), and MiVoice Business Express versions 7.3 PR3 (7.3.1.302) and earlier, and 8.0 (8.0.0.40) through 8.0 SP2 FP1 (8.0.2.202), could allow creation of unauthorized chat sessions, due to insufficient access controls. A successful exploit could allow execution of arbitrary commands.

MEDIUM · CVSS 5.3 EPSS 0.00343
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-863Incorrect Authorization
▤

Affected Products & Versions

4
mitel micollab>= 7.3 and <= 7.3.0.601
mitel micollab>= 8.0.0.40 and <= 8.0.2.202
mitel mivoice business express>= 7.0 and <= 7.3.1.302
mitel mivoice business express>= 8.0.0.40 and <= 8.0.2.202
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Nov 2019 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.mitel.com/support/security-advisoriesVendor Advisory
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-18-0012Vendor Advisory
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