CVE-2021-21895

A directory traversal vulnerability exists in the Web Manager FsTFtp functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to FsTFtp file overwrite. 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-2021-1337	Exploit Technical Description Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1337	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

21 Nov 2024, 05:49

Type	Values Removed	Values Added
References	~~() https://talosintelligence.com/vulnerability_reports/TALOS-2021-1337 - Exploit, Technical Description, Third Party Advisory~~	() https://talosintelligence.com/vulnerability_reports/TALOS-2021-1337 - Exploit, Technical Description, Third Party Advisory

Information

Published : 2021-12-22 19:15

Updated : 2024-11-21 05:49

NVD link : CVE-2021-21895

Mitre link : CVE-2021-21895

CVE.ORG link : CVE-2021-21895

JSON object : View

Products Affected

lantronix

premierwave_2050_firmware
premierwave_2050

CWE

CWE-22

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

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