CVE-2020-21219 Cross-site scripting in n/a
Remote attackers can execute arbitrary code via XSS in the ACME package's certificate edit page, compromising pfSense administrators.
- 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-2020-21219?
CVE-2020-21219 is a medium-severity cross-site scripting vulnerability in n/a, published on 15 Dec 2022. 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 (XSS) vulnerability in Netgate pf Sense 2.4.4-Release-p3 and Netgate ACME package 0.6.3 allows remote attackers to to run arbitrary code via the RootFolder field to acme_certificate_edit.php page of the ACME package.
Weakness: CWE-79
Which versions are affected by CVE-2020-21219?
It affects 2 products.
Products include Netgate Acme, Netgate Pfsense.
How do I fix CVE-2020-21219?
No fix has been published for CVE-2020-21219 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-2020-21219 being exploited?
There is no known exploitation of CVE-2020-21219 in the wild and no public exploit code.
Sources
Also known as GHSA-39f2-fvjw-g3jq.