CVE-2021-35031

Published: Dic 28, 2021 Last Modified: Nov 21, 2024 EU-VD ID: EUVD-2021-21678 Aliases: GSD-2021-35031
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,8
Source: [email protected]
Attack Vector: adjacent_network
Attack Complexity: low
Privileges Required: high
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
HIGH 7,7
Source: [email protected]
Access Vector: adjacent_network
Access Complexity: low
Authentication: single
Confidentiality: complete
Integrity: complete
Availability: complete

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0009
Percentile
0,3th
Updated

EPSS Score Trend (Last 90 Days)

78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Stable
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Availability Non-Repudiation
Potential Impacts:
Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Read Files Or Directories Modify Files Or Directories Read Application Data Modify Application Data Hide Activities
Applicable Platforms
Technologies: AI/ML, Not Technology-Specific, Web Server
Likelihood of Exploit: High
View CWE Details
Operating System

Gs1900-10Hp Firmware by Zyxel

Product Information
Vendor Zyxel
Product Gs1900-10Hp Firmware
Version Range Affected
To 2.70\(aazi.0\)-20211208 (exclusive)
cpe:2.3:o:zyxel:gs1900-10hp_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Gs1900-24Ep Firmware by Zyxel

Product Information
Vendor Zyxel
Product Gs1900-24Ep Firmware
Version Range Affected
To 2.70\(abto.0\)-20211208 (exclusive)
cpe:2.3:o:zyxel:gs1900-24ep_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Gs1900-24Hpv2 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Gs1900-24Hpv2 Firmware
Version Range Affected
To 2.70\(aatp.0\)-20211208 (exclusive)
cpe:2.3:o:zyxel:gs1900-24hpv2_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Gs1900-48Hp Firmware by Zyxel

Product Information
Vendor Zyxel
Product Gs1900-48Hp Firmware
Version Range Affected
To 2.70\(aaho.0\)-20211208 (exclusive)
cpe:2.3:o:zyxel:gs1900-48hp_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Xgs1250-12 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Xgs1250-12 Firmware
Version Range Affected
To 1.00\(abwe.1\)c0 (exclusive)
cpe:2.3:o:zyxel:xgs1250-12_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Gs1900-24Hp Firmware by Zyxel

Product Information
Vendor Zyxel
Product Gs1900-24Hp Firmware
Version Range Affected
To 2.70\(aahm.0\)-20211208 (exclusive)
cpe:2.3:o:zyxel:gs1900-24hp_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Gs1900-8 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Gs1900-8 Firmware
Version Range Affected
To 2.70\(aahh.0\)-20211208 (exclusive)
cpe:2.3:o:zyxel:gs1900-8_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Gs1900-24E Firmware by Zyxel

Product Information
Vendor Zyxel
Product Gs1900-24E Firmware
Version Range Affected
To 2.70\(aahk.0\)-20211208 (exclusive)
cpe:2.3:o:zyxel:gs1900-24e_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Gs1900-8Hp Firmware by Zyxel

Product Information
Vendor Zyxel
Product Gs1900-8Hp Firmware
Version Range Affected
To 2.70\(aahi.0\)-20211208 (exclusive)
cpe:2.3:o:zyxel:gs1900-8hp_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Gs1900-48Hpv2 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Gs1900-48Hpv2 Firmware
Version Range Affected
To 2.70\(abtq.0\)-20211208 (exclusive)
cpe:2.3:o:zyxel:gs1900-48hpv2_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Xgs1210-12 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Xgs1210-12 Firmware
Version Range Affected
To 1.00\(abty.5\)c0 (exclusive)
cpe:2.3:o:zyxel:xgs1210-12_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Gs1900-16 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Gs1900-16 Firmware
Version Range Affected
To 2.70\(aahj.0\)-20211208 (exclusive)
cpe:2.3:o:zyxel:gs1900-16_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Gs1900-24 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Gs1900-24 Firmware
Version Range Affected
To 2.70\(aahl.0\)-20211208 (exclusive)
cpe:2.3:o:zyxel:gs1900-24_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Gs1900-48 Firmware by Zyxel

Product Information
Vendor Zyxel
Product Gs1900-48 Firmware
Version Range Affected
To 2.70\(aahn.0\)-20211208 (exclusive)
cpe:2.3:o:zyxel:gs1900-48_firmware:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.zyxel.com/support/Zyxel_security_advisory_for_O…
Patch Vendor Advisory
https://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_…
https://www.zyxel.com/support/Zyxel_security_advisory_for_O…
Patch Vendor Advisory
https://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_…