CVE-2021-21885

A directory traversal vulnerability exists in the Web Manager FsMove functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially crafted HTTP request can lead to local file inclusion. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVSS v3 7.2 HIGH
CVSS v2.0 6.5 MEDIUM

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1329	Exploit Technical Description Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:lantronix:premierwave_2050_firmware:8.9.0.0:r4:*:*:*:*:*:*

cpe:2.3:h:lantronix:premierwave_2050:-:*:*:*:*:*:*:*

History

03 Jan 2022, 23:00

Type	Values Removed	Values Added
References	~~(MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1329 -~~	(MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1329 - Exploit, Technical Description, Third Party Advisory
CPE		cpe:2.3:h:lantronix:premierwave_2050:-:::::::* cpe:2.3:o:lantronix:premierwave_2050_firmware:8.9.0.0:r4::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.5 v3 : 7.2
First Time		Lantronix Lantronix premierwave 2050 Firmware Lantronix premierwave 2050
CWE		CWE-22

22 Dec 2021, 20:11

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-12-22 19:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-21885

Mitre link : CVE-2021-21885

CVE.ORG link : CVE-2021-21885

JSON object : View

Products Affected

lantronix

premierwave_2050
premierwave_2050_firmware

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

{"id": "CVE-2021-21885", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Secondary", "source": "talos-cna@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.2}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.2}]}, "published": "2021-12-22T19:15:09.203", "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1329", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "source": "talos-cna@cisco.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-22"}]}, {"type": "Secondary", "source": "talos-cna@cisco.com", "description": [{"lang": "en", "value": "CWE-22"}]}], "descriptions": [{"lang": "en", "value": "A directory traversal vulnerability exists in the Web Manager FsMove functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially crafted HTTP request can lead to local file inclusion. An attacker can make an authenticated HTTP request to trigger this vulnerability."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de salto de directorio en la funcionalidad FsMove del Administrador Web de Lantronix PremierWave versi\u00f3n 2050 8.9.0.0R4. Una petici\u00f3n HTTP especialmente dise\u00f1ada puede conllevar a una inclusi\u00f3n de archivos locales. Un atacante puede realizar una petici\u00f3n HTTP autenticada para desencadenar esta vulnerabilidad"}], "lastModified": "2022-04-28T19:36:30.930", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:lantronix:premierwave_2050_firmware:8.9.0.0:r4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C0160E0B-2A30-4E5C-BC9D-FB059D24BB93"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:lantronix:premierwave_2050:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "18D68E19-E0E6-4102-A973-814686E4EC82"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "talos-cna@cisco.com"}