Cross-site scripting in NTT DOCOMO products - CVE-2021-20847

Vulnerability identifier: #VU58433

CSH Severity: Low

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]

CVE-ID: CVE-2021-20847

CWE-ID: CWE-79

Exploitation vector: Remote access

Exploit availability: No public exploit available

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote authenticated attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Wi-Fi STATION SH-52A 38JP_1_11G
Wi-Fi STATION SH-52A 38JP_1_11J
Wi-Fi STATION SH-52A 38JP_1_11K
Wi-Fi STATION SH-52A 38JP_1_11L
Wi-Fi STATION SH-52A 38JP_1_26F
Wi-Fi STATION SH-52A 38JP_1_26G
Wi-Fi STATION SH-52A 38JP_1_26J
Wi-Fi STATION SH-52A 38JP_2_03B
Wi-Fi STATION SH-52A 38JP_2_03C

Install updates from vendor's website.

Wi-Fi STATION SH-52A 38JP_1_11G - update to 38JP_2_03F
Wi-Fi STATION SH-52A 38JP_1_11J - update to 38JP_2_03F
Wi-Fi STATION SH-52A 38JP_1_11K - update to 38JP_2_03F
Wi-Fi STATION SH-52A 38JP_1_11L - update to 38JP_2_03F
Wi-Fi STATION SH-52A 38JP_1_26F - update to 38JP_2_03F
Wi-Fi STATION SH-52A 38JP_1_26G - update to 38JP_2_03F
Wi-Fi STATION SH-52A 38JP_1_26J - update to 38JP_2_03F
Wi-Fi STATION SH-52A 38JP_2_03B - update to 38JP_2_03F
Wi-Fi STATION SH-52A 38JP_2_03C - update to 38JP_2_03F

• https://jvn.jp/en/jp/JVN19482703/index.html
• https://www.nttdocomo.co.jp/support/product_update/sh52a/index.html

• Cross-site scripting in NTT DOCOMO Wi-Fi STATION SH-52A