CVE-2020-8138

MediumCVSS 6.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-918

Affected software

No affected versions have been published.

Timeline

Published: Mar 20, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-81396.5A missing access control check in Nextcloud Server < 18.0.1, < 17.0.4, and < 16.0.9 causes hide-download shares to be downloadable when appe CVE-2020-81406.7A code injection in Nextcloud Desktop Client 2.6.2 for macOS allowed to load arbitrary code when starting the client with DYLD_INSERT_LIBRAR CVE-2020-81418.8The dot package v1.1.2 uses Function() to compile templates. This can be exploited by the attacker if they can control the given template or CVE-2020-81426.8A security restriction bypass vulnerability has been discovered in Revive Adserver version < 5.0.5 by HackerOne user hoangn144. Revive Adser CVE-2020-81436.1An Open Redirect vulnerability was discovered in Revive Adserver version < 5.0.5 and reported by HackerOne user hoangn144. A remote attacker CVE-2020-81448.4The UniFi Video Server v3.9.3 and prior (for Windows 7/8/10 x64) web interface Firmware Update functionality, under certain circumstances, d CVE-2020-81456.5The UniFi Video Server (Windows) web interface configuration restore functionality at the “backup” and “wizard” endpoints does not implement CVE-2020-81467.8In UniFi Video v3.10.1 (for Windows 7/8/10 x64) there is a Local Privileges Escalation to SYSTEM from arbitrary file deletion and DLL hijack CVE-2020-81479.8Flaw in input validation in npm package utils-extend version 1.0.8 and earlier may allow prototype pollution attack that may result in remot CVE-2020-81485.3UniFi Cloud Key firmware < 1.1.6 contains a vulnerability that enables an attacker being able to change a device hostname by sending a malic CVE-2020-81499.8Lack of output sanitization allowed an attack to execute arbitrary shell commands via the logkitty npm package before version 0.7.1.CVE-2020-81504.1A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted