Server-Side Request Forgery (SSRF) Vulnerability in Nextcloud Server < 17.0.1, < 16.0.7, and < 15.0.14 via Malicious Calendar Subscription

Server-Side Request Forgery (SSRF) Vulnerability in Nextcloud Server < 17.0.1, < 16.0.7, and < 15.0.14 via Malicious Calendar Subscription

CVE-2020-8138 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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.

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