Known Exploited Vulnerability
9.8
CRITICAL
CVE-2022-26143
MiCollab, MiVoice Business Express Access Control - [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 :

Aug. 8, 2023, 2:21 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
CISA Notification
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.

Description :

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.

Required Action :

Apply updates per vendor instructions.

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.

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.

ID Vendor Product Action
1 Mitel micollab
2 Mitel mivoice_business_express
References to Advisories, Solutions, and Tools

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

Updated: 2 months, 2 weeks ago
516 stars 32 fork 32 watcher
Born at : April 19, 2022, 8:58 a.m. This repo has been linked 1181 different CVEs too.

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.

  • 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
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
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)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

5.85 }} -0.07%

score

0.93572

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability