Critical severity · published Aug 13, 2021
CVE-2021-32071
The MiCollab Client service in Mitel MiCollab before 9.3 could allow an unauthenticated user to gain system access due to improper access control
9.8
CVSS
1.2%
EPSS
No
On KEV
Description
The MiCollab Client service in Mitel MiCollab before 9.3 could allow an unauthenticated user to gain system access due to improper access control. A successful exploit could allow an attacker to view and modify application data, and cause a denial of service for users.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MI
Micollab · Mitel
before 9.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-32071
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-32071
Vendor Advisory
https://www.mitel.com/support/security-advisories
Vendor Advisory
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-21-0005
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