fkie_cve-2022-26143
Vulnerability from fkie_nvd
Published
2022-03-10 17:47
Modified
2025-11-03 15:15
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
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.
References
Impacted products
{
"cisaActionDue": "2022-04-15",
"cisaExploitAdd": "2022-03-25",
"cisaRequiredAction": "Apply updates per vendor instructions.",
"cisaVulnerabilityName": "MiCollab, MiVoice Business Express Access Control Vulnerability",
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mitel:micollab:*:*:*:*:*:-:*:*",
"matchCriteriaId": "0AF7E1EB-87E8-43B2-93BC-D3A978185D69",
"versionEndExcluding": "9.4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:mitel:micollab:9.4:-:*:*:*:-:*:*",
"matchCriteriaId": "93172128-E88F-44FA-923A-E10F7716C6E4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:mitel:micollab:9.4:sp1:*:*:*:-:*:*",
"matchCriteriaId": "251D31AE-6ED3-4F9F-B489-30586A7DD2A9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:mitel:mivoice_business_express:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A9B124E0-A4C8-4133-B144-7EB7AB6F1888",
"versionEndIncluding": "8.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "El componente TP-240 (tambi\u00e9n conocido como tp240dvr) en Mitel MiCollab versiones anteriores a 9.4 SP1 FP1 y MiVoice Business Express versiones hasta 8.1, permite a atacantes remotos obtener informaci\u00f3n confidencial y causar una denegaci\u00f3n de servicio (degradaci\u00f3n del rendimiento y tr\u00e1fico saliente excesivo). Esto fue explotado \"in the wild\" en febrero y marzo de 2022 para el ataque DDoS TP240PhoneHome"
}
],
"id": "CVE-2022-26143",
"lastModified": "2025-11-03T15:15:14.620",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 9.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:C",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 8.5,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
},
"published": "2022-03-10T17:47:32.813",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Press/Media Coverage",
"Third Party Advisory"
],
"url": "https://arstechnica.com/information-technology/2022/03/ddosers-use-new-method-capable-of-amplifying-traffic-by-a-factor-of-4-billion/"
},
{
"source": "cve@mitre.org",
"tags": [
"Mitigation",
"Third Party Advisory"
],
"url": "https://blog.cloudflare.com/cve-2022-26143/"
},
{
"source": "cve@mitre.org",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://news.ycombinator.com/item?id=30614073"
},
{
"source": "cve@mitre.org",
"tags": [
"Broken Link",
"Mitigation",
"Third Party Advisory"
],
"url": "https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26143/"
},
{
"source": "cve@mitre.org",
"tags": [
"Mitigation",
"Third Party Advisory"
],
"url": "https://www.akamai.com/blog/security/phone-home-ddos-attack-vector"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-22-0001"
},
{
"source": "cve@mitre.org",
"tags": [
"Mitigation",
"Third Party Advisory"
],
"url": "https://www.shadowserver.org/news/cve-2022-26143-tp240phonehome-reflection-amplification-ddos-attack-vector/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Press/Media Coverage",
"Third Party Advisory"
],
"url": "https://arstechnica.com/information-technology/2022/03/ddosers-use-new-method-capable-of-amplifying-traffic-by-a-factor-of-4-billion/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mitigation",
"Third Party Advisory"
],
"url": "https://blog.cloudflare.com/cve-2022-26143/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link",
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"Third Party Advisory"
],
"url": "https://team-cymru.com/blog/2022/03/08/record-breaking-ddos-potential-discovered-cve-2022-26143/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mitigation",
"Third Party Advisory"
],
"url": "https://www.akamai.com/blog/security/phone-home-ddos-attack-vector"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-22-0001"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "https://www.shadowserver.org/news/cve-2022-26143-tp240phonehome-reflection-amplification-ddos-attack-vector/"
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"tags": [
"US Government Resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26143"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-306"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
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"value": "CWE-306"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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