#VU49945 Cross-site request forgery in Aterm WG2600HP and Aterm WG2600HP2 - CVE-2021-20621

Vulnerability identifier: #VU49945

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-20621

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Aterm WG2600HP
Hardware solutions / Other hardware appliances
Aterm WG2600HP2
Hardware solutions / Other hardware appliances

Vendor: NEC Corporation

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Aterm WG2600HP: 1.0.2

Aterm WG2600HP2: 1.0.2

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External links
https://jvn.jp/en/jp/JVN38248512/index.html
https://www.aterm.jp/support/tech/2019/0328.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.