Resource exhaustion in Mitel Micollab

CVE-2021-32068

The AWV and MiCollab Client Service components in Mitel MiCollab before 9.3 could allow an attacker to perform a Man-In-the-Middle attack by sending multiple session renegotiation requests, due to insufficient TLS session controls. A successful exploit could allow an attacker to modify application data and state.

EPSS: 0.006 (44.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-32068?
CVE-2021-32068 is a low-severity vulnerability in Mitel Micollab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 3.7/10. Published 2021-08-13.
How severe is CVE-2021-32068?
Low severity. CVSS v3 base score is 3.7 out of 10.