CVE-2020-5533 Cross-site scripting in Aterm WG2600HS

Medium 6.1 Published 21 Feb 2020 Updated 4 Aug 2024

Remote attackers can inject arbitrary web script or HTML into the NEC Aterm WG2600HS router interface, potentially compromising user sessions.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2020-5533?

CVE-2020-5533 is a medium-severity cross-site scripting vulnerability in NEC Corporation Aterm WG2600HS, published on 21 Feb 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Cross-site scripting vulnerability in Aterm WG2600HS firmware Ver1.3.2 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Weakness: CWE-79

Which versions are affected by CVE-2020-5533?

It affects 1 product.

Products include Nec Aterm Wg2600hs Firmware.

How do I fix CVE-2020-5533?

No fix has been published for CVE-2020-5533 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2020-5533 being exploited?

There is no known exploitation of CVE-2020-5533 in the wild and no public exploit code.

Sources

Also known as GHSA-rhgf-c9m6-xg7c.