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CVE-2020-10211

25
FAUCET Score

CVE-2020-10211 is a critical remote code execution vulnerability affecting the UCB component of Mitel MiVoice Connect versions prior to 19.1 SP1. This flaw allows an unauthenticated remote attacker to execute arbitrary scripts due to insufficient validation of URL parameters, potentially leading to full compromise of the system and access to sensitive information. With a CVSS score of 9.8 (Critical), it is easily exploitable over the network with low attack complexity and no user interaction required. Despite its high severity, there is currently no evidence of active exploitation, publicly available exploit code in Metasploit or ExploitDB, nor significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 22.11.4900.0CPE matchmatch criteria
cpe:2.3:a:mitel:mivoice_connect:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.97%
Probability of exploitation in next 30 days
EPSS Percentile
85.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0297 is in the 77th percentile among its peer group of 36,897 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

mitel.com / support/security-advisories
Vendor Advisory
mitel.com / support/security-advisories/mitel-product-security-advisory-20-0004
Vendor Advisory