What is CVE-2021-27401?

CVE-2021-27401 is a medium-severity vulnerability in Mitel Micollab, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-13.

How severe is CVE-2021-27401?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Mitel Micollab

CVE-2021-27401

The Join Meeting page of Mitel MiCollab Web Client before 9.2 FP2 could allow an attacker to access (view and modify) user data by executing arbitrary code due to insufficient input validation, aka Cross-Site Scripting (XSS).

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (45.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Mitel Micollab — versions 9.2
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-27401?: CVE-2021-27401 is a medium-severity vulnerability in Mitel Micollab, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-13.
How severe is CVE-2021-27401?: Medium severity. CVSS v3 base score is 6.1 out of 10.