Remote Information Disclosure and Denial of Service in Mitel MiCollab and MiVoice Business Express
CVE-2022-26143

9.8CRITICAL

Key Information:

Vendor
Mitel
Status
Micollab
Mivoice Business Express
Vendor
CVE Published:
10 March 2022

Badges

👾 Exploit Exists🟣 EPSS 30%🦅 CISA Reported

Summary

The vulnerability in the TP-240 component of Mitel's MiCollab and MiVoice Business Express products allows remote attackers to exploit weaknesses leading to sensitive information exposure and denial of service. Attackers can leverage this vulnerability to initiate traffic amplification attacks, contributing to performance degradation and excessive outbound traffic. Notably exploited in early 2022, this vulnerability poses significant risks to network stability and data confidentiality.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

References

https://www.mitel.com/en-ca/support/security-advisories/m...
x_refsource_MISC
https://www.akamai.com/blog/security/phone-home-ddos-atta...
x_refsource_MISC
https://www.shadowserver.org/news/cve-2022-26143-tp240pho...
x_refsource_MISC

EPSS Score

30% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.