CVE-2021-42165 - Vulnerability Details - OpenCVE

Description

MitraStar GPT-2541GNAC-N1 (HGU) 100VNZ0b33 devices allow remote authenticated users to obtain root access by executing command "deviceinfo show file &&/bin/bash" because of incorrect sanitization of parameter "path".

Published: 2022-05-03

Score: 8.8 High

EPSS: 14.1% Moderate

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:mitrastar:gpt-2541gnac-n1_firmware:br_g3.5_100vnz0b33:*:*:*:*:*:*:*

cpe:2.3:h:mitrastar:gpt-2541gnac-n1:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.14104.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/leoservalli/Privilege-escalation-MitraStar/blob/main/README.md
https://packetstormsecurity.com/files/164333/Mitrastar-GPT-2541GNAC-N1-Privilege-Escalation.html
https://www.exploit-db.com/exploits/50351

History

No history.

Subscriptions

Mitrastar Gpt-2541gnac-n1 Gpt-2541gnac-n1 Firmware

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-05-03T11:25:48.000Z

Updated: 2024-08-04T03:30:37.454Z

Reserved: 2021-10-11T00:00:00.000Z

Link: CVE-2021-42165

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-05-03T12:15:07.723

Modified: 2026-06-17T04:09:26.250

Link: CVE-2021-42165

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-78

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "MitraStar GPT-2541GNAC-N1 (HGU) 100VNZ0b33 devices allow remote authenticated users to obtain root access by executing command \"deviceinfo show file &&/bin/bash\" because of incorrect sanitization of parameter \"path\"."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-05-03T11:25:48.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.exploit-db.com/exploits/50351"}, {"tags": ["x_refsource_MISC"], "url": "https://packetstormsecurity.com/files/164333/Mitrastar-GPT-2541GNAC-N1-Privilege-Escalation.html"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/leoservalli/Privilege-escalation-MitraStar/blob/main/README.md"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-42165", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "MitraStar GPT-2541GNAC-N1 (HGU) 100VNZ0b33 devices allow remote authenticated users to obtain root access by executing command \"deviceinfo show file &&/bin/bash\" because of incorrect sanitization of parameter \"path\"."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://www.exploit-db.com/exploits/50351", "refsource": "MISC", "url": "https://www.exploit-db.com/exploits/50351"}, {"name": "https://packetstormsecurity.com/files/164333/Mitrastar-GPT-2541GNAC-N1-Privilege-Escalation.html", "refsource": "MISC", "url": "https://packetstormsecurity.com/files/164333/Mitrastar-GPT-2541GNAC-N1-Privilege-Escalation.html"}, {"name": "https://github.com/leoservalli/Privilege-escalation-MitraStar/blob/main/README.md", "refsource": "MISC", "url": "https://github.com/leoservalli/Privilege-escalation-MitraStar/blob/main/README.md"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:30:37.454Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.exploit-db.com/exploits/50351"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://packetstormsecurity.com/files/164333/Mitrastar-GPT-2541GNAC-N1-Privilege-Escalation.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/leoservalli/Privilege-escalation-MitraStar/blob/main/README.md"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-42165", "datePublished": "2022-05-03T11:25:48.000Z", "dateReserved": "2021-10-11T00:00:00.000Z", "dateUpdated": "2024-08-04T03:30:37.454Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitrastar:gpt-2541gnac-n1_firmware:br_g3.5_100vnz0b33:*:*:*:*:*:*:*", "matchCriteriaId": "B82A2A0B-CE7C-41E5-AC3D-2C99466DD8FE", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitrastar:gpt-2541gnac-n1:-:*:*:*:*:*:*:*", "matchCriteriaId": "784D00F4-AFA2-4BDC-B535-24BAB4C7B145", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "MitraStar GPT-2541GNAC-N1 (HGU) 100VNZ0b33 devices allow remote authenticated users to obtain root access by executing command \"deviceinfo show file &&/bin/bash\" because of incorrect sanitization of parameter \"path\"."}, {"lang": "es", "value": "Los dispositivos MitraStar GPT-2541GNAC-N1 (HGU) 100VNZ0b33 permiten a usuarios remotos autenticados obtener acceso root al ejecutar el comando \"deviceinfo show file &&/bin/bash\" debido a un saneo incorrecto del par\u00e1metro \"path\""}], "id": "CVE-2021-42165", "lastModified": "2026-06-17T04:09:26.250", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 9.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "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"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-05-03T12:15:07.723", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/leoservalli/Privilege-escalation-MitraStar/blob/main/README.md"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "https://packetstormsecurity.com/files/164333/Mitrastar-GPT-2541GNAC-N1-Privilege-Escalation.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "https://www.exploit-db.com/exploits/50351"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/leoservalli/Privilege-escalation-MitraStar/blob/main/README.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "https://packetstormsecurity.com/files/164333/Mitrastar-GPT-2541GNAC-N1-Privilege-Escalation.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "https://www.exploit-db.com/exploits/50351"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}