CVE-2021-20622 Cross-site scripting in Aterm WG2600HP and Aterm WG2600HP2
Remote attackers can inject arbitrary scripts into NEC Aterm routers, potentially compromising user sessions or device integrity.
- 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-2021-20622?
CVE-2021-20622 is a medium-severity cross-site scripting vulnerability in NEC Corporation Aterm WG2600HP and Aterm WG2600HP2, 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 WG2600HP firmware Ver1.0.2 and earlier, and Aterm WG2600HP2 firmware Ver1.0.2 and earlier allows remote attackers to inject an arbitrary script via unspecified vectors.
Weakness: CWE-79
Which versions are affected by CVE-2021-20622?
It affects 2 products.
Products include Aterm Wg2600hp2 Firmware, Aterm Wg2600hp Firmware.
How do I fix CVE-2021-20622?
No fix has been published for CVE-2021-20622 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-2021-20622 being exploited?
There is no known exploitation of CVE-2021-20622 in the wild and no public exploit code.
Other vulnerabilities in NEC Corporation Aterm WG2600HP and Aterm WG2600HP2
Sources
Also known as GHSA-2mx9-p3v6-mw46.