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CVE-2021-21895

Published: Dec 22, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-22
NVD MITRE
7.2CVSSHIGH
EPSS Score
2.3%
Top 18.6%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

Description

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 Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-22

Affected Products

Lantronixn/a
premierwave 2050 firmwarelantronix
EmbeddedFirmware
Networking Infrastructure
lantronixcommercialNetworking Infrastructureaka premierwave 2050 firmware, eds5008 firmware, eds5016 firmware

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1337
talosintelligence.com

Timeline

Published
Dec 22, 2021
Last Updated
Nov 21, 2024

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