CVE-2021-20620 Cross-site scripting in Aterm WF800HP
Remote attackers can inject arbitrary scripts into the NEC Aterm WF800HP 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-2021-20620?
CVE-2021-20620 is a medium-severity cross-site scripting vulnerability in NEC Corporation Aterm WF800HP, published on 28 Jan 2021. 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 WF800HP firmware Ver1.0.9 and earlier allows remote attackers to inject an arbitrary script via unspecified vectors.
Weakness: CWE-79
Which versions are affected by CVE-2021-20620?
It affects 1 product.
Products include Aterm Wg2600hp Firmware.
How do I fix CVE-2021-20620?
No fix has been published for CVE-2021-20620 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-2021-20620 being exploited?
There is no known exploitation of CVE-2021-20620 in the wild and no public exploit code.
Sources
Also known as GHSA-mhmg-wv9c-8hpm.