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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (46.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.mitel.com/support/security-advisories (Vendor Advisory)
- www.mitel.com/support/security-advisories/mitel-product-security-advisory-21-00… (Vendor Advisory)
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.