CVE-2021-4039 - Vulnerability Details - OpenCVE

A command injection vulnerability in the web interface of the Zyxel NWA-1100-NH firmware could allow an attacker to execute arbitrary OS commands on the device.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

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 None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.8064.

Key SSVC decision points have not yet been added.

Vendors	Products
Zyxel	Nwa1100-nh Nwa1100-nh Firmware

Configuration 1 [-]

AND

cpe:2.3:o:zyxel:nwa1100-nh_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:zyxel:nwa1100-nh:-:*:*:*:*:*:*:*

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://packetstormsecurity.com/files/166752/Zyxel-NWA-1100-NH-Command-Injection.html
https://www.zyxel.com/support/OS-command-injection-vulnerability-of-NWA1100-NH-access-point.shtml

History

No history.

MITRE

Status: PUBLISHED

Assigner: Zyxel

Published: 2022-03-01T06:40:09

Updated: 2024-08-03T17:16:03.702Z

Reserved: 2021-12-02T00:00:00

Link: CVE-2021-4039

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-03-01T07:15:08.223

Modified: 2024-11-21T06:36:46.640

Link: CVE-2021-4039

Redhat

No data.

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "NWA1100-NH firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "2.12(AASI.0)C0"}]}], "descriptions": [{"lang": "en", "value": "A command injection vulnerability in the web interface of the Zyxel NWA-1100-NH firmware could allow an attacker to execute arbitrary OS commands on the device."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "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:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-78", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-04-19T16:06:26", "orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f", "shortName": "Zyxel"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.zyxel.com/support/OS-command-injection-vulnerability-of-NWA1100-NH-access-point.shtml"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/166752/Zyxel-NWA-1100-NH-Command-Injection.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@zyxel.com.tw", "ID": "CVE-2021-4039", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "NWA1100-NH firmware", "version": {"version_data": [{"version_value": "2.12(AASI.0)C0"}]}}]}, "vendor_name": "Zyxel"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A command injection vulnerability in the web interface of the Zyxel NWA-1100-NH firmware could allow an attacker to execute arbitrary OS commands on the device."}]}, "impact": {"cvss": {"baseScore": "9.8", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"}]}]}, "references": {"reference_data": [{"name": "https://www.zyxel.com/support/OS-command-injection-vulnerability-of-NWA1100-NH-access-point.shtml", "refsource": "CONFIRM", "url": "https://www.zyxel.com/support/OS-command-injection-vulnerability-of-NWA1100-NH-access-point.shtml"}, {"name": "http://packetstormsecurity.com/files/166752/Zyxel-NWA-1100-NH-Command-Injection.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/166752/Zyxel-NWA-1100-NH-Command-Injection.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:16:03.702Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.zyxel.com/support/OS-command-injection-vulnerability-of-NWA1100-NH-access-point.shtml"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/166752/Zyxel-NWA-1100-NH-Command-Injection.html"}]}]}, "cveMetadata": {"assignerOrgId": "96e50032-ad0d-4058-a115-4d2c13821f9f", "assignerShortName": "Zyxel", "cveId": "CVE-2021-4039", "datePublished": "2022-03-01T06:40:09", "dateReserved": "2021-12-02T00:00:00", "dateUpdated": "2024-08-03T17:16:03.702Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:nwa1100-nh_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "96758ECA-A2C1-43CB-824F-15ED662474EB", "versionEndExcluding": "2.12\\(aasi.3\\)c0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:nwa1100-nh:-:*:*:*:*:*:*:*", "matchCriteriaId": "F73B7235-D7A0-4931-A92E-4B1BEE2102F9", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "A command injection vulnerability in the web interface of the Zyxel NWA-1100-NH firmware could allow an attacker to execute arbitrary OS commands on the device."}, {"lang": "es", "value": "Una vulnerabilidad de inyecci\u00f3n de comandos en la interfaz web del firmware Zyxel NWA-1100-NH podr\u00eda permitir a un atacante ejecutar comandos arbitrarios del Sistema Operativo en el dispositivo."}], "id": "CVE-2021-4039", "lastModified": "2024-11-21T06:36:46.640", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "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": 9.8, "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:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security@zyxel.com.tw", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "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:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-03-01T07:15:08.223", "references": [{"source": "security@zyxel.com.tw", "tags": ["Exploit", "Release Notes", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/166752/Zyxel-NWA-1100-NH-Command-Injection.html"}, {"source": "security@zyxel.com.tw", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.zyxel.com/support/OS-command-injection-vulnerability-of-NWA1100-NH-access-point.shtml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Release Notes", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/166752/Zyxel-NWA-1100-NH-Command-Injection.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.zyxel.com/support/OS-command-injection-vulnerability-of-NWA1100-NH-access-point.shtml"}], "sourceIdentifier": "security@zyxel.com.tw", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "security@zyxel.com.tw", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}