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CVE-2021-32071

CRITICALCVSS 9.8/10EPSS 1.17%

Last modified

CVE-2021-32071 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.17% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.17%

63.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
MitelMicollab< 9.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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. A successful exploit could allow an attacker to view and modify application data, and cause a denial of service for users.
How severe is CVE-2021-32071?
CVE-2021-32071 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.17% probability of exploitation in the next 30 days.
How do I fix CVE-2021-32071?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-32071?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST