CVE-2021-32070

CVE-2021-32070 is a medium-severity vulnerability in Mitel Micollab with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1021.

Key facts

Description

The MiCollab Client Service component in Mitel MiCollab before 9.3 could allow an attacker to perform a clickjacking attack due to an insecure header response. A successful exploit could allow an attacker to modify the browser header and redirect users.

Frequently asked questions

What is CVE-2021-32070?
The MiCollab Client Service component in Mitel MiCollab before 9.3 could allow an attacker to perform a clickjacking attack due to an insecure header response. A successful exploit could allow an attacker to modify the browser header and redirect users.
How severe is CVE-2021-32070?
CVE-2021-32070 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-32070 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32070?
CVE-2021-32070 affects Mitel Micollab. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32070?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-32070 published?
CVE-2021-32070 was published on 2021-08-13 and last updated on 2026-06-17.

References

Affected products (1)

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