#VU52011 Cross-site scripting in NEC Corporation products - CVE-2021-20680

Vulnerability identifier: #VU52011

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear

CVE-ID: CVE-2021-20680

CWE-ID: CWE-79

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Aterm WG1900HP2
Aterm WG1900HP
Aterm WG1800HP4
Aterm WG1800HP3
Aterm WG1200HS3
Aterm WG1200HS2
Aterm WG1200HP3
Aterm WG1200HP2
Aterm W1200EX
Aterm W1200EX-MS
Aterm WG1200HS
Aterm WG1200HP
Aterm WF300HP2
Aterm WR8165N
Aterm W500P
Aterm W300P
Aterm WF800HP

Software vendor:
NEC Corporation

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 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.

Install updates from vendor's website.

• https://jvn.jp/en/jp/JVN67456944/index.html
• https://jpn.nec.com/security-info/secinfo/nv21-008.html
• https://www.aterm.jp/support/tech/2020/0708.html