description: A missing check for IPv4 nested inside IPv6 in Nextcloud server < 17.0.1, < 16.0.7, and < 15.0.14 allowed a Server-Side Request Forgery (SSRF) vulnerability when subscribing to a malicious calendar URL.
problem types: Server-Side Request Forgery (SSRF) (CWE-918)
affected:
{
product: Nextcloud Server
vendor: n/a
versions:
status: affected, version: Fixed in 17.0.2, 16.0.7, and 15.0.14
}