CVE-2022-26143
MiCollab, MiVoice Business Express Access Control Vulnerability - [Actively Exploited]
Description
The TP-240 (aka tp240dvr) component in Mitel MiCollab before 9.4 SP1 FP1 and MiVoice Business Express through 8.1 allows remote attackers to obtain sensitive information and cause a denial of service (performance degradation and excessive outbound traffic). This was exploited in the wild in February and March 2022 for the TP240PhoneHome DDoS attack.
INFO
Published Date :
March 10, 2022, 5:47 p.m.
Last Modified :
March 14, 2025, 8 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
A vulnerability has been identified in MiCollab and MiVoice Business Express that may allow a malicious actor to gain unauthorized access to sensitive information and services, cause performance degradations or a denial of service condition on the affected system.
Apply updates per vendor instructions.
https://nvd.nist.gov/vuln/detail/CVE-2022-26143
Affected Products
The following products are affected by CVE-2022-26143
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 3.1 | CRITICAL | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Upgrade MiCollab to version 9.4 SP1 FP1 (9.4.109) or later.
- Upgrade MiVoice Business Express to version 8.2 or later.
Public PoC/Exploit Available at Github
CVE-2022-26143 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-26143.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-26143 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-26143
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-26143 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-26143 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Modified Analysis by [email protected]
Mar. 14, 2025
Action Type Old Value New Value Changed Reference Type CVE: https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26143/ Types: Mitigation, Third Party Advisory CVE: https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26143/ Types: Broken Link, Mitigation, Third Party Advisory Changed Reference Type MITRE: https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26143/ Types: Mitigation, Third Party Advisory MITRE: https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26143/ Types: Broken Link, Mitigation, Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 29, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-306 -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://arstechnica.com/information-technology/2022/03/ddosers-use-new-method-capable-of-amplifying-traffic-by-a-factor-of-4-billion/ Added Reference https://blog.cloudflare.com/cve-2022-26143/ Added Reference https://news.ycombinator.com/item?id=30614073 Added Reference https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26143/ Added Reference https://www.akamai.com/blog/security/phone-home-ddos-attack-vector Added Reference https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-22-0001 Added Reference https://www.shadowserver.org/news/cve-2022-26143-tp240phonehome-reflection-amplification-ddos-attack-vector/ -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Mar. 18, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://arstechnica.com/information-technology/2022/03/ddosers-use-new-method-capable-of-amplifying-traffic-by-a-factor-of-4-billion/ No Types Assigned https://arstechnica.com/information-technology/2022/03/ddosers-use-new-method-capable-of-amplifying-traffic-by-a-factor-of-4-billion/ Exploit, Press/Media Coverage, Third Party Advisory Changed Reference Type https://blog.cloudflare.com/cve-2022-26143/ No Types Assigned https://blog.cloudflare.com/cve-2022-26143/ Mitigation, Third Party Advisory Changed Reference Type https://news.ycombinator.com/item?id=30614073 No Types Assigned https://news.ycombinator.com/item?id=30614073 Issue Tracking, Third Party Advisory Changed Reference Type https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26143/ No Types Assigned https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26143/ Mitigation, Third Party Advisory Changed Reference Type https://www.akamai.com/blog/security/phone-home-ddos-attack-vector No Types Assigned https://www.akamai.com/blog/security/phone-home-ddos-attack-vector Mitigation, Third Party Advisory Changed Reference Type https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-22-0001 No Types Assigned https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-22-0001 Vendor Advisory Changed Reference Type https://www.shadowserver.org/news/cve-2022-26143-tp240phonehome-reflection-amplification-ddos-attack-vector/ No Types Assigned https://www.shadowserver.org/news/cve-2022-26143-tp240phonehome-reflection-amplification-ddos-attack-vector/ Mitigation, Third Party Advisory Added CWE NIST CWE-863 Added CPE Configuration OR *cpe:2.3:a:mitel:micollab:*:*:*:*:*:-:*:* versions up to (excluding) 9.4 *cpe:2.3:a:mitel:micollab:9.4:-:*:*:*:-:*:* *cpe:2.3:a:mitel:micollab:9.4:sp1:*:*:*:-:*:* *cpe:2.3:a:mitel:mivoice_business_express:*:*:*:*:*:*:*:* versions up to (including) 8.1
Vulnerability Scoring Details
Base CVSS Score: 9.8
Base CVSS Score: 9
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
64.77 }} 5.68%
score
0.98336
percentile