CVE-2021-20853

ELECOM LAN routers (WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior) allows a network-adjacent attacker with an administrator privilege to execute arbitrary OS commands via unspecified vectors.

CVSS v3 6.8 MEDIUM
CVSS v2.0 5.2 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

5.2^/10

CVSS v2.0 : MEDIUM

Vector : AV:A/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 5.1 / Impact : 6.4

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://jvn.jp/en/jp/JVN88993473/index.html	Third Party Advisory
https://www.elecom.co.jp/news/security/20211130-01/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:elecom:wrh-733gbk_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:elecom:wrh-733gbk:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:elecom:wrh-733gwh_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:elecom:wrh-733gwh:-:*:*:*:*:*:*:*

History

02 Dec 2021, 19:45

Type	Values Removed	Values Added
CWE		CWE-78
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 5.2 v3 : 6.8
References	~~(MISC) https://jvn.jp/en/jp/JVN88993473/index.html -~~	(MISC) https://jvn.jp/en/jp/JVN88993473/index.html - Third Party Advisory
References	~~(MISC) https://www.elecom.co.jp/news/security/20211130-01/ -~~	(MISC) https://www.elecom.co.jp/news/security/20211130-01/ - Vendor Advisory
CPE		cpe:2.3:o:elecom:wrh-733gwh_firmware:::::::: cpe:2.3:h:elecom:wrh-733gwh:-:::::::* cpe:2.3:o:elecom:wrh-733gbk_firmware:::::::: cpe:2.3:h:elecom:wrh-733gbk:-:::::::*

01 Dec 2021, 03:23

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-12-01 03:15

Updated : 2024-02-04 22:08

NVD link : CVE-2021-20853

Mitre link : CVE-2021-20853

CVE.ORG link : CVE-2021-20853

JSON object : View

Products Affected

elecom

wrh-733gwh_firmware
wrh-733gbk_firmware
wrh-733gwh
wrh-733gbk

CWE

CWE-78

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

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