CVE-2021-20739

Published: Jul 7, 2021Modified: Nov 21, 2024

8.8

Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: NVD

Description

WRC-300FEBK, WRC-F300NF, WRC-733FEBK, WRH-300RD, WRH-300BK, WRH-300SV, WRH-300WH, WRH-H300WH, WRH-H300BK, WRH-300BK-S, and WRH-300WH-S all versions allows an unauthenticated network-adjacent attacker to execute an arbitrary OS command via unspecified vectors.

Affected (11)

Products: Elecom: Wrc 300febk Firmware, Wrc F300nf Firmware, Wrc 733febk Firmware, Wrh 300rd Firmware, Wrh 300bk Firmware, Wrh 300sv Firmware, Wrh 300wh Firmware, Wrh H300wh Firmware, Wrh H300bk Firmware, Wrh 300bk S Firmware, Wrh 300wh S Firmware

11 products

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Elecom Wrc 300febk Firmware	All versions

Running on/with	Platform Versions
Elecom Wrc 300febk	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Elecom Wrc F300nf Firmware	All versions

Running on/with	Platform Versions
Elecom Wrc F300nf	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Elecom Wrc 733febk Firmware	All versions

Running on/with	Platform Versions
Elecom Wrc 733febk	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Elecom Wrh 300rd Firmware	All versions

Running on/with	Platform Versions
Elecom Wrh 300rd	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Elecom Wrh 300bk Firmware	All versions

Running on/with	Platform Versions
Elecom Wrh 300bk	All versions

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Elecom Wrh 300sv Firmware	All versions

Running on/with	Platform Versions
Elecom Wrh 300sv	All versions

Configuration G

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Elecom Wrh 300wh Firmware	All versions

Running on/with	Platform Versions
Elecom Wrh 300wh	All versions

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Elecom Wrh H300wh Firmware	All versions

Running on/with	Platform Versions
Elecom Wrh H300wh	All versions

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Elecom Wrh H300bk Firmware	All versions

Running on/with	Platform Versions
Elecom Wrh H300bk	All versions

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Elecom Wrh 300bk S Firmware	All versions

Running on/with	Platform Versions
Elecom Wrh 300bk S	All versions

Configuration K

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Elecom Wrh 300wh S Firmware	All versions

Running on/with	Platform Versions
Elecom Wrh 300wh S	All versions

Related CWEs

CWE-78

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

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

References (4)

https://jvn.jp/en/vu/JVNVU94260088/index.html

Source: vultures@jpcert.or.jp

Third Party Advisory

https://www.elecom.co.jp/news/security/20210706-01/

Source: vultures@jpcert.or.jp

Vendor Advisory

https://jvn.jp/en/vu/JVNVU94260088/index.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://www.elecom.co.jp/news/security/20210706-01/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.