CVE-2021-45508

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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

Advertisement

Configurations

Configuration 1 (hide)

AND

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

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

Configuration 2 (hide)

AND

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

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

Configuration 3 (hide)

AND

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

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

Configuration 4 (hide)

AND

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

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

Configuration 5 (hide)

AND

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

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

Configuration 6 (hide)

AND

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

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

Configuration 7 (hide)

AND

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

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

Information

Published : 2021-12-25 17:15

Updated : 2022-07-12 10:42

NVD link : CVE-2021-45508

Mitre link : CVE-2021-45508

JSON object : View

CWE

NVD-CWE-noinfo

Advertisement

Products Affected

netgear

cbr750
cbr40
rbs750
rbk852
rbr750
rbk752
rbk852_firmware
rbk752_firmware
rbr850
rbr750_firmware
rbr850_firmware
cbr40_firmware
rbs750_firmware
cbr750_firmware

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://kb.netgear.com/000064133/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0490", "name": "https://kb.netgear.com/000064133/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0490", "tags": ["Patch", "Vendor Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-45508", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}}, "publishedDate": "2021-12-26T01:15Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:netgear:cbr40_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.5.0.24"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:netgear:cbr40:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:netgear:cbr750_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "4.6.3.6"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:netgear:cbr750:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.2.17.12"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:netgear:rbk752:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.2.17.12"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:netgear:rbr750:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.2.17.12"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:netgear:rbs750:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.2.17.12"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:netgear:rbk852:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.2.17.12"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:netgear:rbr850:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-07-12T17:42Z"}