CVE-2022-26143

CVSS V2 High 9 CVSS V3 Critical 9.8
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.
Overview
  • CVE ID
  • CVE-2022-26143
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-03-10T17:47:32
  • Last Modified Date
  • 2022-03-18T19:52:03
Weakness Enumerations
CWE URL
CWE-863 http://cwe.mitre.org/data/definitions/863.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mitel:micollab:*:*:*:*:*:-:*:* 1 OR 9.4
cpe:2.3:a:mitel:micollab:9.4:-:*:*:*:-:*:* 1 OR
cpe:2.3:a:mitel:micollab:9.4:sp1:*:*:*:-:*:* 1 OR
cpe:2.3:a:mitel:mivoice_business_express:*:*:*:*:*:*:*:* 1 OR 8.1
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • COMPLETE
  • Base Score
  • 9
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 8.5
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.akamai.com/blog/security/phone-home-ddos-attack-vector Mitigation Third Party Advisory
https://blog.cloudflare.com/cve-2022-26143/ Mitigation Third Party Advisory
https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26143/ Mitigation Third Party Advisory
https://www.shadowserver.org/news/cve-2022-26143-tp240phonehome-reflection-amplification-ddos-attack-vector/ Mitigation Third Party Advisory
https://news.ycombinator.com/item?id=30614073 Issue Tracking Third Party Advisory
https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-22-0001 Vendor Advisory
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2022-26143
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26143
History
Created Old Value New Value Data Type Notes
2022-05-10 15:45:18 Added to TrackCVE
2022-12-06 11:58:52 2022-03-10T17:47Z 2022-03-10T17:47:32 CVE Published Date updated
2022-12-06 11:58:52 2022-03-18T19:52:03 CVE Modified Date updated
2022-12-06 11:58:52 Analyzed Vulnerability Status updated