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CVE-2021-35031

Published: Dec 28, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-78
NVD MITRE
6.8CVSSMEDIUM
EPSS Score
0.5%
Top 63.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device.

CVSS Vector Breakdown

AV:AAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
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
Open in CVSS calculator →

Weaknesses

CWE-78

Affected Products

GS1900-8Zyxel Communications Corp.Networking Infrastructure
GS1900-8HPZyxel Communications Corp.Networking Infrastructure
GS1900-10HPZyxel Communications Corp.Networking Infrastructure
GS1900-16Zyxel Communications Corp.Networking Infrastructure
GS1900-24EZyxel Communications Corp.Networking Infrastructure
zyxel communications corp.commercialTWNetworking Infrastructure
and 26 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2021-35031
nvd.nist.gov
https://www.zyxel.com/ru/ru/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml
zyxel.com
https://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml
zyxel.com

Timeline

Published
Dec 28, 2021
Last Updated
Nov 21, 2024

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