CVE-2021-20860 Information

Description

Cross-site request forgery (CSRF) vulnerability in ELECOM LAN routers (WRC-1167GST2 firmware v1.25 and prior WRC-1167GST2A firmware v1.25 and prior WRC-1167GST2H firmware v1.25 and prior WRC-2533GS2-B firmware v1.52 and prior WRC-2533GS2-W firmware v1.52 and prior WRC-1750GS firmware v1.03 and prior WRC-1750GSV firmware v2.11 and prior WRC-1900GST firmware v1.03 and prior WRC-2533GST firmware v1.03 and prior WRC-2533GSTA firmware v1.03 and prior WRC-2533GST2 firmware v1.25 and prior WRC-2533GST2SP firmware v1.25 and prior WRC-2533GST2-G firmware v1.25 and prior and EDWRC-2533GST2 firmware v1.25 and prior) allows a remote authenticated attacker to hijack the authentication of an administrator via a specially crafted page.

CVSS Vector

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

Reference

https://jvn.jp/en/jp/JVN88993473/index.html https://www.elecom.co.jp/news/security/20211130-01/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8