CVE-2021-20710 Cross-site scripting in Aterm WG2600HS
Remote attackers can inject arbitrary scripts into the NEC Aterm WG2600HS router firmware, 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-2021-20710?
CVE-2021-20710 is a medium-severity cross-site scripting vulnerability in NEC Corporation Aterm WG2600HS, published on 26 Apr 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 WG2600HS firmware Ver1.5.1 and earlier allows remote attackers to inject an arbitrary script via unspecified vectors.
Weakness: CWE-79
Which versions are affected by CVE-2021-20710?
It affects 1 product.
Products include Aterm Wg2600hs Firmware.
How do I fix CVE-2021-20710?
No fix has been published for CVE-2021-20710 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-2021-20710 being exploited?
There is no known exploitation of CVE-2021-20710 in the wild and no public exploit code.
Sources
Also known as GHSA-3569-4rcr-9j99.