Sign-up

ID

VAR-202203-0926


CVE

CVE-2021-44827


TITLE

Tp-link Archer C2 Operating System Command Injection Vulnerability

Trust: 1.2

sources: CNVD: CNVD-2022-21220 // CNNVD: CNNVD-202203-493

DESCRIPTION

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. 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

Trust: 2.25

sources: NVD: CVE-2021-44827 // JVNDB: JVNDB-2021-018754 // CNVD: CNVD-2022-21220 // VULMON: CVE-2021-44827

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-21220

AFFECTED PRODUCTS

vendor:tp linkmodel:archer c20iscope:lteversion:170221

Trust: 1.0

vendor:tp linkmodel:archer c20iscope: - version: -

Trust: 0.8

vendor:tp linkmodel:archer c20iscope:eqversion: -

Trust: 0.8

vendor:tp linkmodel:archer c20iscope:lteversion:archer c20i firmware 170221 and earlier

Trust: 0.8

vendor:tp linkmodel:archer c20iscope:lteversion:<=170221

Trust: 0.6

sources: CNVD: CNVD-2022-21220 // JVNDB: JVNDB-2021-018754 // NVD: CVE-2021-44827

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-44827
value: HIGH

Trust: 1.0

NVD: CVE-2021-44827
value: HIGH

Trust: 0.8

CNVD: CNVD-2022-21220
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202203-493
value: HIGH

Trust: 0.6

VULMON: CVE-2021-44827
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-44827
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2022-21220
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-44827
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2021-44827
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2022-21220 // VULMON: CVE-2021-44827 // JVNDB: JVNDB-2021-018754 // CNNVD: CNNVD-202203-493 // NVD: CVE-2021-44827

PROBLEMTYPE DATA

problemtype:CWE-78

Trust: 1.0

problemtype:OS Command injection (CWE-78) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-018754 // NVD: CVE-2021-44827

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202203-493

TYPE

operating system commend injection

Trust: 0.6

sources: CNNVD: CNNVD-202203-493

PATCH

title:CVE-2021-44827url:https://github.com/full-disclosure/CVE-2021-44827

Trust: 0.1

title: - url:https://github.com/soosmile/POC

Trust: 0.1

sources: VULMON: CVE-2021-44827

EXTERNAL IDS

db:NVDid:CVE-2021-44827

Trust: 3.9

db:JVNDBid:JVNDB-2021-018754

Trust: 0.8

db:CNVDid:CNVD-2022-21220

Trust: 0.6

db:CNNVDid:CNNVD-202203-493

Trust: 0.6

db:VULMONid:CVE-2021-44827

Trust: 0.1

sources: CNVD: CNVD-2022-21220 // VULMON: CVE-2021-44827 // JVNDB: JVNDB-2021-018754 // CNNVD: CNNVD-202203-493 // NVD: CVE-2021-44827

REFERENCES

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: 2.5

url:https://cxsecurity.com/cveshow/cve-2021-44827/

Trust: 1.2

url:https://nvd.nist.gov/vuln/detail/cve-2021-44827

Trust: 0.8

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

Trust: 0.1

sources: CNVD: CNVD-2022-21220 // VULMON: CVE-2021-44827 // JVNDB: JVNDB-2021-018754 // CNNVD: CNNVD-202203-493 // NVD: CVE-2021-44827

SOURCES

db:CNVDid:CNVD-2022-21220
db:VULMONid:CVE-2021-44827
db:JVNDBid:JVNDB-2021-018754
db:CNNVDid:CNNVD-202203-493
db:NVDid:CVE-2021-44827

LAST UPDATE DATE

2024-11-23T22:47:29.472000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-21220date:2022-03-21T00:00:00
db:VULMONid:CVE-2021-44827date:2022-03-15T00:00:00
db:JVNDBid:JVNDB-2021-018754date:2023-07-06T08:12:00
db:CNNVDid:CNNVD-202203-493date:2022-03-16T00:00:00
db:NVDid:CVE-2021-44827date:2024-11-21T06:31:34.293

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-21220date:2022-03-21T00:00:00
db:VULMONid:CVE-2021-44827date:2022-03-04T00:00:00
db:JVNDBid:JVNDB-2021-018754date:2023-07-06T00:00:00
db:CNNVDid:CNNVD-202203-493date:2022-03-04T00:00:00
db:NVDid:CVE-2021-44827date:2022-03-04T22:15:19.193