CVE-2022-4874 - Vulnerability Details - OpenCVE

Authentication bypass in Netcomm router models NF20MESH, NF20, and NL1902 allows an unauthenticated user to access content. In order to serve static content, the application performs a check for the existence of specific characters in the URL (.css, .png etc). If it exists, it performs a "fake login" to give the request an active session to load the file and not redirect to the login page.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

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 0.00233.

Exploitation poc

Automatable yes

Technical Impact partial

Vendors	Products
Netcommwireless	Nf20 Nf20 Firmware Nf20mesh Nf20mesh Firmware Nl1902 Nl1902 Firmware

Configuration 1 [-]

AND

cpe:2.3:o:netcommwireless:nf20_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netcommwireless:nf20:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:netcommwireless:nf20mesh_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netcommwireless:nf20mesh:-:*:*:*:*:*:*:*

Configuration 3 [-]

AND

cpe:2.3:o:netcommwireless:nl1902_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netcommwireless:nl1902:-:*:*:*:*:*:*:*

No data.

No data.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md

History

Wed, 09 Apr 2025 15:15:00 +0000

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

MITRE

Status: PUBLISHED

Assigner: certcc

Published: 2023-01-11T20:39:25.219Z

Updated: 2025-04-09T14:14:13.898Z

Reserved: 2023-01-04T14:23:54.409Z

Link: CVE-2022-4874

Vulnrichment

Updated: 2024-08-03T01:55:46.021Z

NVD

Status : Modified

Published: 2023-01-11T21:15:10.373

Modified: 2025-04-09T15:15:55.690

Link: CVE-2022-4874

Redhat

No data.

OpenCVE Enrichment

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-4874", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2023-01-04T14:23:54.409Z", "datePublished": "2023-01-11T20:39:25.219Z", "dateUpdated": "2025-04-09T14:14:13.898Z"}, "containers": {"cna": {"title": "Authenticated bypass in Netcomm router models NF20MESH, NF20, and NL1902 allows unauthenticated user to get access to content.", "descriptions": [{"lang": "en", "value": "Authentication bypass in Netcomm router models NF20MESH, NF20, and NL1902 allows an unauthenticated user to access content. In order to serve static content, the application performs a check for the existence of specific characters in the URL (.css, .png etc). If it exists, it performs a \"fake login\" to give the request an active session to load the file and not redirect to the login page."}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Netcomm", "product": "NF20", "versions": [{"status": "affected", "version": "R6B025"}]}, {"vendor": "Netcomm", "product": "NF20MESH", "versions": [{"status": "affected", "version": "R6B025"}]}, {"vendor": "Netcomm", "product": "NL1902", "versions": [{"status": "affected", "version": "R6B025"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-288"}]}], "references": [{"url": "https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md"}], "x_generator": {"engine": "VINCE 2.0.5", "env": "prod", "origin": "https://cveawg.mitre.org/api//cve/CVE-2022-4874"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2023-01-11T20:39:25.219Z"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T01:55:46.021Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md", "tags": ["x_transferred"]}]}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-04-09T14:13:36.023102Z", "id": "CVE-2022-4874", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-09T14:14:13.898Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T01:55:46.021Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2022-4874", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-09T14:13:36.023102Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-09T14:14:09.111Z"}}], "cna": {"title": "Authenticated bypass in Netcomm router models NF20MESH, NF20, and NL1902 allows unauthenticated user to get access to content.", "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Netcomm", "product": "NF20", "versions": [{"status": "affected", "version": "R6B025"}]}, {"vendor": "Netcomm", "product": "NF20MESH", "versions": [{"status": "affected", "version": "R6B025"}]}, {"vendor": "Netcomm", "product": "NL1902", "versions": [{"status": "affected", "version": "R6B025"}]}], "references": [{"url": "https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md"}], "x_generator": {"env": "prod", "engine": "VINCE 2.0.5", "origin": "https://cveawg.mitre.org/api//cve/CVE-2022-4874"}, "descriptions": [{"lang": "en", "value": "Authentication bypass in Netcomm router models NF20MESH, NF20, and NL1902 allows an unauthenticated user to access content. In order to serve static content, the application performs a check for the existence of specific characters in the URL (.css, .png etc). If it exists, it performs a \"fake login\" to give the request an active session to load the file and not redirect to the login page."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-288"}]}], "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2023-01-11T20:39:25.219Z"}}}, "cveMetadata": {"cveId": "CVE-2022-4874", "state": "PUBLISHED", "dateUpdated": "2025-04-09T14:14:13.898Z", "dateReserved": "2023-01-04T14:23:54.409Z", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "datePublished": "2023-01-11T20:39:25.219Z", "assignerShortName": "certcc"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netcommwireless:nf20_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "447DAC30-D02D-43A7-9C11-9B29D3AE6292", "versionEndExcluding": "r6b025", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netcommwireless:nf20:-:*:*:*:*:*:*:*", "matchCriteriaId": "C9BF282B-6B02-492D-A248-80D6C5DD0B50", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netcommwireless:nf20mesh_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "492B3CE0-A18A-4D6E-A20F-5CD00D8FC234", "versionEndExcluding": "r6b025", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netcommwireless:nf20mesh:-:*:*:*:*:*:*:*", "matchCriteriaId": "79CF62CC-4353-4090-8D85-5F8126A029EB", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netcommwireless:nl1902_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "131C4DCD-D115-40AE-A53D-2C3B4799CBD5", "versionEndExcluding": "r6b025", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netcommwireless:nl1902:-:*:*:*:*:*:*:*", "matchCriteriaId": "B02578F1-96D9-4A0C-A27E-F08518A7CA55", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Authentication bypass in Netcomm router models NF20MESH, NF20, and NL1902 allows an unauthenticated user to access content. In order to serve static content, the application performs a check for the existence of specific characters in the URL (.css, .png etc). If it exists, it performs a \"fake login\" to give the request an active session to load the file and not redirect to the login page."}, {"lang": "es", "value": "La omisi\u00f3n de autenticaci\u00f3n en los modelos de router Netcomm NF20MESH, NF20 y NL1902 permite que un usuario no autenticado acceda al contenido. Para ofrecer contenido est\u00e1tico, la aplicaci\u00f3n verifica la existencia de caracteres espec\u00edficos en la URL (.css, .png, etc.). Si existe, realiza un \"inicio de sesi\u00f3n falso\" para darle a la solicitud una sesi\u00f3n activa para cargar el archivo y no redirigir a la p\u00e1gina de inicio de sesi\u00f3n."}], "id": "CVE-2022-4874", "lastModified": "2025-04-09T15:15:55.690", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2023-01-11T21:15:10.373", "references": [{"source": "cret@cert.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}