CVE-2020-10211

Name: CVE-2020-10211
Creator: NVD / NIST
Published: 2020-04-17T13:15:12.283+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.97%

Last modified Jun 17, 2026

CVE-2020-10211 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A remote code execution vulnerability in UCB component of Mitel MiVoice Connect before 19.1 SP1 could allow an unauthenticated remote attacker to execute arbitrary scripts due to insufficient validation of URL parameters. A successful exploit could allow an attacker to gain access to sensitive information.. EPSS estimates a 2.97% chance of exploitation in the next 30 days.

Description

A remote code execution vulnerability in UCB component of Mitel MiVoice Connect before 19.1 SP1 could allow an unauthenticated remote attacker to execute arbitrary scripts due to insufficient validation of URL parameters. A successful exploit could allow an attacker to gain access to sensitive information.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.97%

85.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Mitel	Mivoice Connect	< 22.11.4900.0

References

https://www.mitel.com/support/security-advisoriesVendor Advisory
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-20-0004Vendor Advisory
https://www.mitel.com/support/security-advisoriesVendor Advisory
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-20-0004Vendor Advisory

Timeline

Published: Apr 17, 2020
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2020-10211?

How severe is CVE-2020-10211?

CVE-2020-10211 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.97% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10211?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-10211?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST