CVE-2020-21639 Cross-site scripting in n/a
Attackers can execute arbitrary scripts via the rule_name parameter in Ruijie RG-UAC devices, 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-2020-21639?
CVE-2020-21639 is a medium-severity cross-site scripting vulnerability in n/a, published on 16 Nov 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
Ruijie RG-UAC 6000-E50 commit 9071227 was discovered to contain a cross-site scripting (XSS) vulnerability via the rule_name parameter. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload.
Weakness: CWE-79
Which versions are affected by CVE-2020-21639?
It affects 1 product.
Products include Ruijie Rg-Uac 6000-E50 Firmware.
How do I fix CVE-2020-21639?
No fix has been published for CVE-2020-21639 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-2020-21639 being exploited?
There is no known exploitation of CVE-2020-21639 in the wild and no public exploit code.
Sources
Also known as GHSA-45pw-7ww2-5vcv.