CVE-2020-18331 - Vulnerability Details - OpenCVE

Description

Directory traversal vulnerability in ChinaMobile PLC Wireless Router model GPN2.4P21-C-CN running the firmware version W2000EN-01(hardware platform Gpn2.4P21-C_WIFI-V0.05), via the getpage parameter to /cgi-bin/webproc.

Published: 2023-01-25

Score: 9.1 Critical

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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:chinamobileltd:gpn2.4p21-c-cn_firmware:w2000en-01:*:*:*:*:*:*:*

cpe:2.3:h:chinamobileltd:gpn2.4p21-c-cn:0.05:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2020-10255	Directory traversal vulnerability in ChinaMobile PLC Wireless Router model GPN2.4P21-C-CN running the firmware version W2000EN-01(hardware platform Gpn2.4P21-C_WIFI-V0.05), via the getpage parameter to /cgi-bin/webproc.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00865.

Exploitation poc

Automatable yes

Technical Impact total

References

Link	Providers
https://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18331.md
https://medium.com/%40SergiuSechel/insecure-permissions-and-multiple-vulnerabilities-in-chinamobile-plc-wireless-routers-leaves-more-d3eb9ff70d24

History

Tue, 01 Apr 2025 21:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Chinamobileltd Gpn2.4p21-c-cn Gpn2.4p21-c-cn Firmware

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-01-25T00:00:00.000Z

Updated: 2025-04-01T20:28:41.485Z

Reserved: 2020-08-13T00:00:00.000Z

Link: CVE-2020-18331

Vulnrichment

Updated: 2024-08-04T14:00:49.274Z

NVD

Status : Modified

Published: 2023-01-26T21:15:19.080

Modified: 2025-04-01T21:15:41.313

Link: CVE-2020-18331

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-22

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2020-18331", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-04-01T20:28:41.485Z", "dateReserved": "2020-08-13T00:00:00.000Z", "datePublished": "2023-01-25T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-01-25T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "Directory traversal vulnerability in ChinaMobile PLC Wireless Router model GPN2.4P21-C-CN running the firmware version W2000EN-01(hardware platform Gpn2.4P21-C_WIFI-V0.05), via the getpage parameter to /cgi-bin/webproc."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://medium.com/%40SergiuSechel/insecure-permissions-and-multiple-vulnerabilities-in-chinamobile-plc-wireless-routers-leaves-more-d3eb9ff70d24"}, {"url": "https://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18331.md"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T14:00:49.274Z"}, "title": "CVE Program Container", "references": [{"url": "https://medium.com/%40SergiuSechel/insecure-permissions-and-multiple-vulnerabilities-in-chinamobile-plc-wireless-routers-leaves-more-d3eb9ff70d24", "tags": ["x_transferred"]}, {"url": "https://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18331.md", "tags": ["x_transferred"]}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-22", "lang": "en", "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-04-01T20:28:13.521214Z", "id": "CVE-2020-18331", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-01T20:28:41.485Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://medium.com/%40SergiuSechel/insecure-permissions-and-multiple-vulnerabilities-in-chinamobile-plc-wireless-routers-leaves-more-d3eb9ff70d24", "tags": ["x_transferred"]}, {"url": "https://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18331.md", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T14:00:49.274Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2020-18331", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-04-01T20:28:13.521214Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-22", "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-01T20:28:37.511Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://medium.com/%40SergiuSechel/insecure-permissions-and-multiple-vulnerabilities-in-chinamobile-plc-wireless-routers-leaves-more-d3eb9ff70d24"}, {"url": "https://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18331.md"}], "descriptions": [{"lang": "en", "value": "Directory traversal vulnerability in ChinaMobile PLC Wireless Router model GPN2.4P21-C-CN running the firmware version W2000EN-01(hardware platform Gpn2.4P21-C_WIFI-V0.05), via the getpage parameter to /cgi-bin/webproc."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-01-25T00:00:00.000Z"}}}, "cveMetadata": {"cveId": "CVE-2020-18331", "state": "PUBLISHED", "dateUpdated": "2025-04-01T20:28:41.485Z", "dateReserved": "2020-08-13T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2023-01-25T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:chinamobileltd:gpn2.4p21-c-cn_firmware:w2000en-01:*:*:*:*:*:*:*", "matchCriteriaId": "4AF2B209-5D1B-4F26-87EE-CEA70A928CD1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:chinamobileltd:gpn2.4p21-c-cn:0.05:*:*:*:*:*:*:*", "matchCriteriaId": "A4392696-FBDA-4FBE-BF33-897C7F55CC60", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Directory traversal vulnerability in ChinaMobile PLC Wireless Router model GPN2.4P21-C-CN running the firmware version W2000EN-01(hardware platform Gpn2.4P21-C_WIFI-V0.05), via the getpage parameter to /cgi-bin/webproc."}, {"lang": "es", "value": "Vulnerabilidad de Directory Traversal en el router inal\u00e1mbrico ChinaMobile PLC modelo GPN2.4P21-C-CN que ejecuta la versi\u00f3n de firmware W2000EN-01 (plataforma de hardware Gpn2.4P21-C_WIFI-V0.05), a trav\u00e9s del par\u00e1metro getpage en /cgi-bin/webproc."}], "id": "CVE-2020-18331", "lastModified": "2025-04-01T21:15:41.313", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "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:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "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:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2023-01-26T21:15:19.080", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18331.md"}, {"source": "cve@mitre.org", "url": "https://medium.com/%40SergiuSechel/insecure-permissions-and-multiple-vulnerabilities-in-chinamobile-plc-wireless-routers-leaves-more-d3eb9ff70d24"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/cybertoxin/CVEs/blob/main/CVE_2020_18331.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://medium.com/%40SergiuSechel/insecure-permissions-and-multiple-vulnerabilities-in-chinamobile-plc-wireless-routers-leaves-more-d3eb9ff70d24"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-22"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}