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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (48.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.1% 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
- Mitel Micollab — versions 9.2
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-2021-27401?
- 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.