CVE-2021-45508 - OpenCVE

Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, and RBR850 before 3.2.17.12.

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 Partial

Integrity Impact Partial

Availability Impact Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

Vendors & Products
CPE Configurations

Vendors	Products
Netgear	Rbr850 Rbk852 Firmware Cbr40 Firmware Cbr750 Firmware Cbr750 Rbk752 Rbk852 Rbk752 Firmware Rbr850 Firmware Rbs750 Rbs750 Firmware Cbr40 Rbr750 Firmware Rbr750

Configuration 1 [-]

AND

cpe:2.3:o:netgear:cbr40_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:cbr40:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:netgear:cbr750_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:cbr750:-:*:*:*:*:*:*:*

Configuration 3 [-]

AND

cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rbk752:-:*:*:*:*:*:*:*

Configuration 4 [-]

AND

cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rbr750:-:*:*:*:*:*:*:*

Configuration 5 [-]

AND

cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rbs750:-:*:*:*:*:*:*:*

Configuration 6 [-]

AND

cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rbk852:-:*:*:*:*:*:*:*

Configuration 7 [-]

AND

cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rbr850:-:*:*:*:*:*:*:*

References

Link	Resource
https://kb.netgear.com/000064133/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0490	Patch Vendor Advisory

History

No history.

MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2021-12-26T01:02:00

Updated: 2021-12-26T01:02:00

Reserved: 2021-12-25T00:00:00

Link: CVE-2021-45508

JSON object: View

NVD Information

Status : Analyzed

Published: 2021-12-26T01:15:13.280

Modified: 2022-07-12T17:42:04.277

Link: CVE-2021-45508

JSON object: View

Redhat Information

No data.

CWE

NVD-CWE-noinfo

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, and RBR850 before 3.2.17.12."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-12-26T01:02:00", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://kb.netgear.com/000064133/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0490"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-45508", "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": "Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, and RBR850 before 3.2.17.12."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "ADJACENT", "availabilityImpact": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://kb.netgear.com/000064133/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0490", "refsource": "MISC", "url": "https://kb.netgear.com/000064133/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0490"}]}}}}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-45508", "datePublished": "2021-12-26T01:02:00", "dateReserved": "2021-12-25T00:00:00", "dateUpdated": "2021-12-26T01:02:00", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:cbr40_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "7483E92A-5858-49B5-9499-E132941F5ACD", "versionEndExcluding": "2.5.0.24", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:cbr40:-:*:*:*:*:*:*:*", "matchCriteriaId": "AE0F7E9E-196C-4106-B1C9-C16FA5910A0F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:cbr750_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "A87D3ACB-B5A3-4F1F-BF46-73C0AD690D8C", "versionEndExcluding": "4.6.3.6", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:cbr750:-:*:*:*:*:*:*:*", "matchCriteriaId": "CBD14EFC-C6EF-485B-A594-73B8525704A5", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "D8D90FF3-F5CE-43DF-ACF7-C64DBDCCA185", "versionEndExcluding": "3.2.17.12", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rbk752:-:*:*:*:*:*:*:*", "matchCriteriaId": "A45832BD-114D-42F1-B9F1-7532496D30A6", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "B6AE1767-9D9A-4E9E-B088-6727FACFDE5C", "versionEndExcluding": "3.2.17.12", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rbr750:-:*:*:*:*:*:*:*", "matchCriteriaId": "C13F5C69-FA9B-472A-9036-0C2967BDCDE9", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F614A1AB-F0C0-45D7-8D91-ECA3C1AA9165", "versionEndExcluding": "3.2.17.12", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rbs750:-:*:*:*:*:*:*:*", "matchCriteriaId": "B529194C-C440-4BC3-850F-0613FC548F86", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "845C1FCC-F54B-452A-B121-1CD1A7867027", "versionEndExcluding": "3.2.17.12", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rbk852:-:*:*:*:*:*:*:*", "matchCriteriaId": "14F257FE-31CE-4F74-829D-29407D74ADF7", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "01E0EF50-145F-407A-8915-4EFFCD833505", "versionEndExcluding": "3.2.17.12", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rbr850:-:*:*:*:*:*:*:*", "matchCriteriaId": "D92E4C8E-222A-476C-8273-F7171FC61F0B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, and RBR850 before 3.2.17.12."}, {"lang": "es", "value": "Determinados dispositivos NETGEAR est\u00e1n afectados por una omisi\u00f3n de autenticaci\u00f3n. Esto afecta a CBR40 versiones anteriores a 2.5.0.24, CBR750 versiones anteriores a 4.6.3.6, RBK752 versiones anteriores a 3.2.17.12, RBR750 versiones anteriores a 3.2.17.12, RBS750 versiones anteriores a 3.2.17.12, RBK852 versiones anteriores a 3.2.17.12 y RBR850 versiones anteriores a 3.2.17.12"}], "id": "CVE-2021-45508", "lastModified": "2022-07-12T17:42:04.277", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "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": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 6.0, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2021-12-26T01:15:13.280", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://kb.netgear.com/000064133/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0490"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}