CVE-2021-20856

Cross-site scripting vulnerability in ELECOM LAN routers (WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior) allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

CVSS v3.0 5.4 MEDIUM
CVSS v2.0 3.5 LOW

5.4^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

3.5^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:M/Au:S/C:N/I:P/A:N

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

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

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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:-:*:*:*:*:*:*:*

Information

Published : 2021-11-30 19:15

Updated : 2021-12-02 08:28

NVD link : CVE-2021-20856

Mitre link : CVE-2021-20856

JSON object : View

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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Products Affected

elecom

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

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