CVE-2021-1473

Multiple vulnerabilities exist in the web-based management interface of Cisco Small Business RV Series Routers. A remote attacker could execute arbitrary commands or bypass authentication and upload files on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-bypass-inject-Rbhgvfdx	Vendor Advisory
http://seclists.org/fulldisclosure/2021/Apr/39	Mailing List Third Party Advisory
http://packetstormsecurity.com/files/162238/Cisco-RV-Authentication-Bypass-Code-Execution.html	Exploit Third Party Advisory VDB Entry

Advertisement

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:cisco:rv340_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:cisco:rv340:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:cisco:rv340w_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:cisco:rv340w:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:cisco:rv345_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:cisco:rv345:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:cisco:rv345p_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:cisco:rv345p:-:*:*:*:*:*:*:*

Information

Published : 2021-04-07 21:15

Updated : 2022-08-05 10:36

NVD link : CVE-2021-1473

Mitre link : CVE-2021-1473

JSON object : View

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Advertisement

Products Affected

cisco

rv340w_firmware
rv340
rv340w
rv345_firmware
rv340_firmware
rv345p_firmware
rv345
rv345p

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-bypass-inject-Rbhgvfdx", "name": "20210407 Cisco Small Business RV Series Routers Vulnerabilities", "tags": ["Vendor Advisory"], "refsource": "CISCO"}, {"url": "http://seclists.org/fulldisclosure/2021/Apr/39", "name": "20210419 [CVE-2021-1472/CVE-2021-1473] Cisco RV Series Authentication Bypass and Remote Command Execution", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FULLDISC"}, {"url": "http://packetstormsecurity.com/files/162238/Cisco-RV-Authentication-Bypass-Code-Execution.html", "name": "http://packetstormsecurity.com/files/162238/Cisco-RV-Authentication-Bypass-Code-Execution.html", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Multiple vulnerabilities exist in the web-based management interface of Cisco Small Business RV Series Routers. A remote attacker could execute arbitrary commands or bypass authentication and upload files on an affected device. For more information about these vulnerabilities, see the Details section of this advisory."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-78"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-1473", "ASSIGNER": "psirt@cisco.com"}}, "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": "2021-04-08T04:15Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:cisco:rv340_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.0.03.21"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:cisco:rv340:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:cisco:rv340w_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.0.03.21"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:cisco:rv340w:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:cisco:rv345_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.0.03.21"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:cisco:rv345:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:cisco:rv345p_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.0.03.21"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:cisco:rv345p:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-08-05T17:36Z"}