CVE-2021-21894

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 arbitrary file overwrite FsTFtp file disclosure. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVSS v3 9.1 CRITICAL
CVSS v2.0 6.5 MEDIUM

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.3 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

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 Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1337	Exploit 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, Third Party Advisory~~	() https://talosintelligence.com/vulnerability_reports/TALOS-2021-1337 - Exploit, Third Party Advisory

03 Jan 2022, 21:56

Type	Values Removed	Values Added
References	~~(MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1337 -~~	(MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1337 - Exploit, Third Party Advisory
CWE		CWE-22
CPE		cpe:2.3:o:lantronix:premierwave_2050_firmware:8.9.0.0:r4:::::: cpe:2.3:h:lantronix:premierwave_2050:-:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.5 v3 : 9.1

22 Dec 2021, 20:11

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-12-22 19:15

Updated : 2024-11-21 05:49

NVD link : CVE-2021-21894

Mitre link : CVE-2021-21894

CVE.ORG link : CVE-2021-21894

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')

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