CVE-2021-27329 Server-side request forgery in n/a
An attacker can exploit a Server-Side Request Forgery vulnerability in Friendica to perform DNS lookups or HTTP requests to arbitrary domains.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-27329?
CVE-2021-27329 is a critical server-side request forgery vulnerability in n/a, published on 18 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Friendica 2021.01 allows SSRF via parse_url?binurl= for DNS lookups or HTTP requests to arbitrary domain names.
Weakness: CWE-918
Which versions are affected by CVE-2021-27329?
It affects 1 product.
Products include Frendi Frendica.
How do I fix CVE-2021-27329?
No fix has been published for CVE-2021-27329 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2021-27329 being exploited?
There is no known exploitation of CVE-2021-27329 in the wild and no public exploit code.
Sources
Also known as GHSA-hg8j-9w2x-wj66.