Improper Certificate Validation in Nextcloud Social app - CVE-2020-8279
Published: November 19, 2020 / Updated: November 27, 2020
Vulnerability identifier: #VU48605
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-8279
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.
The vulnerability exists due to missing validation of server certificates for out-going connections. A remote attacker can perform a MitM attack on the target system.
Affected software
Nextcloud Social app
How to mitigate CVE-2020-8279
Install updates from vendor's website.
Nextcloud Social app - update to 0.4.0