9.8

CVE-2020-10211: mitel mivoice_connect Improper Input Validation

Analyzed
Published 17-04-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-10211 is a critical (CVSS 9.8) Improper Input Validation vulnerability in mitel mivoice_connect. EPSS estimates a 3.05% chance of exploitation in the next 30 days, higher than 87.5% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 3% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
3.05%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 17-04-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

3.05%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

No change 0.00 pp

From 3.05% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Mitel1 product

1 vendor · 1 product

References

2 links