VAR-202203-0926
Vulnerability from variot - Updated: 2024-11-23 22:47There is remote authenticated OS command injection on TP-Link Archer C20i 0.9.1 3.2 v003a.0 Build 170221 Rel.55462n devices vie the X_TP_ExternalIPv6Address HTTP parameter, allowing a remote attacker to run arbitrary commands on the router with root privileges. TP-LINK Technologies of archer c20i The firmware has OS A command injection vulnerability exists.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Tp-link Archer C2 is a wireless router from Tp-link company in China.
There is a security vulnerability in TP-Link Archer C20i 0.9.1 3.2 v003a.0 Build 170221 Rel.55462n. The vulnerability stems from the lack of filtering and escaping of user data in the HTTP parameter X_TP_ExternalIPv6Address in the device. Run arbitrary commands on the router with root privileges
Show details on source website{
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/VARIoTentry#",
"affected_products": {
"@id": "https://www.variotdbs.pl/ref/affected_products"
},
"configurations": {
"@id": "https://www.variotdbs.pl/ref/configurations"
},
"credits": {
"@id": "https://www.variotdbs.pl/ref/credits"
},
"cvss": {
"@id": "https://www.variotdbs.pl/ref/cvss/"
},
"description": {
"@id": "https://www.variotdbs.pl/ref/description/"
},
"exploit_availability": {
"@id": "https://www.variotdbs.pl/ref/exploit_availability/"
},
"external_ids": {
"@id": "https://www.variotdbs.pl/ref/external_ids/"
},
"iot": {
"@id": "https://www.variotdbs.pl/ref/iot/"
},
"iot_taxonomy": {
"@id": "https://www.variotdbs.pl/ref/iot_taxonomy/"
},
"patch": {
"@id": "https://www.variotdbs.pl/ref/patch/"
},
"problemtype_data": {
"@id": "https://www.variotdbs.pl/ref/problemtype_data/"
},
"references": {
"@id": "https://www.variotdbs.pl/ref/references/"
},
"sources": {
"@id": "https://www.variotdbs.pl/ref/sources/"
},
"sources_release_date": {
"@id": "https://www.variotdbs.pl/ref/sources_release_date/"
},
"sources_update_date": {
"@id": "https://www.variotdbs.pl/ref/sources_update_date/"
},
"threat_type": {
"@id": "https://www.variotdbs.pl/ref/threat_type/"
},
"title": {
"@id": "https://www.variotdbs.pl/ref/title/"
},
"type": {
"@id": "https://www.variotdbs.pl/ref/type/"
}
},
"@id": "https://www.variotdbs.pl/vuln/VAR-202203-0926",
"affected_products": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/affected_products#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
},
"@id": "https://www.variotdbs.pl/ref/sources"
}
},
"data": [
{
"model": "archer c20i",
"scope": "lte",
"trust": 1.0,
"vendor": "tp link",
"version": "170221"
},
{
"model": "archer c20i",
"scope": null,
"trust": 0.8,
"vendor": "tp link",
"version": null
},
{
"model": "archer c20i",
"scope": "eq",
"trust": 0.8,
"vendor": "tp link",
"version": null
},
{
"model": "archer c20i",
"scope": "lte",
"trust": 0.8,
"vendor": "tp link",
"version": "archer c20i firmware 170221 and earlier"
},
{
"model": "archer c20i",
"scope": "lte",
"trust": 0.6,
"vendor": "tp link",
"version": "\u003c=170221"
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2022-21220"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-018754"
},
{
"db": "NVD",
"id": "CVE-2021-44827"
}
]
},
"cve": "CVE-2021-44827",
"cvss": {
"@context": {
"cvssV2": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV2#"
},
"@id": "https://www.variotdbs.pl/ref/cvss/cvssV2"
},
"cvssV3": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV3#"
},
"@id": "https://www.variotdbs.pl/ref/cvss/cvssV3/"
},
"severity": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/cvss/severity#"
},
"@id": "https://www.variotdbs.pl/ref/cvss/severity"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
},
"@id": "https://www.variotdbs.pl/ref/sources"
}
},
"data": [
{
"cvssV2": [
{
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"author": "nvd@nist.gov",
"availabilityImpact": "COMPLETE",
"baseScore": 9.0,
"confidentialityImpact": "COMPLETE",
"exploitabilityScore": 8.0,
"id": "CVE-2021-44827",
"impactScore": 10.0,
"integrityImpact": "COMPLETE",
"severity": "HIGH",
"trust": 1.9,
"vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
"version": "2.0"
},
{
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"author": "CNVD",
"availabilityImpact": "COMPLETE",
"baseScore": 9.0,
"confidentialityImpact": "COMPLETE",
"exploitabilityScore": 8.0,
"id": "CNVD-2022-21220",
"impactScore": 10.0,
"integrityImpact": "COMPLETE",
"severity": "HIGH",
"trust": 0.6,
"vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
"version": "2.0"
}
],
"cvssV3": [
{
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"author": "nvd@nist.gov",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"exploitabilityScore": 2.8,
"id": "CVE-2021-44827",
"impactScore": 5.9,
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"trust": 1.0,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
{
"attackComplexity": "Low",
"attackVector": "Network",
"author": "NVD",
"availabilityImpact": "High",
"baseScore": 8.8,
"baseSeverity": "High",
"confidentialityImpact": "High",
"exploitabilityScore": null,
"id": "CVE-2021-44827",
"impactScore": null,
"integrityImpact": "High",
"privilegesRequired": "Low",
"scope": "Unchanged",
"trust": 0.8,
"userInteraction": "None",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
}
],
"severity": [
{
"author": "nvd@nist.gov",
"id": "CVE-2021-44827",
"trust": 1.0,
"value": "HIGH"
},
{
"author": "NVD",
"id": "CVE-2021-44827",
"trust": 0.8,
"value": "High"
},
{
"author": "CNVD",
"id": "CNVD-2022-21220",
"trust": 0.6,
"value": "HIGH"
},
{
"author": "CNNVD",
"id": "CNNVD-202203-493",
"trust": 0.6,
"value": "HIGH"
},
{
"author": "VULMON",
"id": "CVE-2021-44827",
"trust": 0.1,
"value": "HIGH"
}
]
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2022-21220"
},
{
"db": "VULMON",
"id": "CVE-2021-44827"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-018754"
},
{
"db": "CNNVD",
"id": "CNNVD-202203-493"
},
{
"db": "NVD",
"id": "CVE-2021-44827"
}
]
},
"description": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/description#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "There is remote authenticated OS command injection on TP-Link Archer C20i 0.9.1 3.2 v003a.0 Build 170221 Rel.55462n devices vie the X_TP_ExternalIPv6Address HTTP parameter, allowing a remote attacker to run arbitrary commands on the router with root privileges. TP-LINK Technologies of archer c20i The firmware has OS A command injection vulnerability exists.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Tp-link Archer C2 is a wireless router from Tp-link company in China. \n\r\n\r\nThere is a security vulnerability in TP-Link Archer C20i 0.9.1 3.2 v003a.0 Build 170221 Rel.55462n. The vulnerability stems from the lack of filtering and escaping of user data in the HTTP parameter X_TP_ExternalIPv6Address in the device. Run arbitrary commands on the router with root privileges",
"sources": [
{
"db": "NVD",
"id": "CVE-2021-44827"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-018754"
},
{
"db": "CNVD",
"id": "CNVD-2022-21220"
},
{
"db": "VULMON",
"id": "CVE-2021-44827"
}
],
"trust": 2.25
},
"external_ids": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/external_ids#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"db": "NVD",
"id": "CVE-2021-44827",
"trust": 3.9
},
{
"db": "JVNDB",
"id": "JVNDB-2021-018754",
"trust": 0.8
},
{
"db": "CNVD",
"id": "CNVD-2022-21220",
"trust": 0.6
},
{
"db": "CNNVD",
"id": "CNNVD-202203-493",
"trust": 0.6
},
{
"db": "VULMON",
"id": "CVE-2021-44827",
"trust": 0.1
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2022-21220"
},
{
"db": "VULMON",
"id": "CVE-2021-44827"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-018754"
},
{
"db": "CNNVD",
"id": "CNNVD-202203-493"
},
{
"db": "NVD",
"id": "CVE-2021-44827"
}
]
},
"id": "VAR-202203-0926",
"iot": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/iot#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": true,
"sources": [
{
"db": "CNVD",
"id": "CNVD-2022-21220"
}
],
"trust": 1.1
},
"iot_taxonomy": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/iot_taxonomy#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"category": [
"Network device"
],
"sub_category": null,
"trust": 0.6
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2022-21220"
}
]
},
"last_update_date": "2024-11-23T22:47:29.472000Z",
"patch": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/patch#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"title": "CVE-2021-44827",
"trust": 0.1,
"url": "https://github.com/full-disclosure/CVE-2021-44827 "
},
{
"title": "",
"trust": 0.1,
"url": "https://github.com/soosmile/POC "
}
],
"sources": [
{
"db": "VULMON",
"id": "CVE-2021-44827"
}
]
},
"problemtype_data": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/problemtype_data#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"problemtype": "CWE-78",
"trust": 1.0
},
{
"problemtype": "OS Command injection (CWE-78) [NVD evaluation ]",
"trust": 0.8
}
],
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2021-018754"
},
{
"db": "NVD",
"id": "CVE-2021-44827"
}
]
},
"references": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/references#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"trust": 2.5,
"url": "https://www.tp-link.com/us/security"
},
{
"trust": 2.5,
"url": "https://full-disclosure.eu"
},
{
"trust": 2.5,
"url": "https://full-disclosure.eu/reports/2022/cve-2021-44827-tplink-authenticated-remote-code-execution.html"
},
{
"trust": 1.2,
"url": "https://cxsecurity.com/cveshow/cve-2021-44827/"
},
{
"trust": 0.8,
"url": "https://nvd.nist.gov/vuln/detail/cve-2021-44827"
},
{
"trust": 0.1,
"url": "https://cwe.mitre.org/data/definitions/78.html"
},
{
"trust": 0.1,
"url": "https://github.com/full-disclosure/cve-2021-44827"
},
{
"trust": 0.1,
"url": "https://nvd.nist.gov"
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2022-21220"
},
{
"db": "VULMON",
"id": "CVE-2021-44827"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-018754"
},
{
"db": "CNNVD",
"id": "CNNVD-202203-493"
},
{
"db": "NVD",
"id": "CVE-2021-44827"
}
]
},
"sources": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#",
"data": {
"@container": "@list"
}
},
"data": [
{
"db": "CNVD",
"id": "CNVD-2022-21220"
},
{
"db": "VULMON",
"id": "CVE-2021-44827"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-018754"
},
{
"db": "CNNVD",
"id": "CNNVD-202203-493"
},
{
"db": "NVD",
"id": "CVE-2021-44827"
}
]
},
"sources_release_date": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources_release_date#",
"data": {
"@container": "@list"
}
},
"data": [
{
"date": "2022-03-21T00:00:00",
"db": "CNVD",
"id": "CNVD-2022-21220"
},
{
"date": "2022-03-04T00:00:00",
"db": "VULMON",
"id": "CVE-2021-44827"
},
{
"date": "2023-07-06T00:00:00",
"db": "JVNDB",
"id": "JVNDB-2021-018754"
},
{
"date": "2022-03-04T00:00:00",
"db": "CNNVD",
"id": "CNNVD-202203-493"
},
{
"date": "2022-03-04T22:15:19.193000",
"db": "NVD",
"id": "CVE-2021-44827"
}
]
},
"sources_update_date": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources_update_date#",
"data": {
"@container": "@list"
}
},
"data": [
{
"date": "2022-03-21T00:00:00",
"db": "CNVD",
"id": "CNVD-2022-21220"
},
{
"date": "2022-03-15T00:00:00",
"db": "VULMON",
"id": "CVE-2021-44827"
},
{
"date": "2023-07-06T08:12:00",
"db": "JVNDB",
"id": "JVNDB-2021-018754"
},
{
"date": "2022-03-16T00:00:00",
"db": "CNNVD",
"id": "CNNVD-202203-493"
},
{
"date": "2024-11-21T06:31:34.293000",
"db": "NVD",
"id": "CVE-2021-44827"
}
]
},
"threat_type": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/threat_type#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "remote",
"sources": [
{
"db": "CNNVD",
"id": "CNNVD-202203-493"
}
],
"trust": 0.6
},
"title": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/title#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "Tp-link Archer C2 Operating System Command Injection Vulnerability",
"sources": [
{
"db": "CNVD",
"id": "CNVD-2022-21220"
},
{
"db": "CNNVD",
"id": "CNNVD-202203-493"
}
],
"trust": 1.2
},
"type": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/type#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "operating system commend injection",
"sources": [
{
"db": "CNNVD",
"id": "CNNVD-202203-493"
}
],
"trust": 0.6
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…