PT-2020-20078 · Nextcloud · Nextcloud Social

Published 2020-11-19 · Updated 2020-11-25 · CVE-2020-8279

Positive Technologies (AI Summary)

CVSS v3.1

7.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Nextcloud Social versions prior to 0.4.0

Description The issue concerns a missing validation of server certificates for outgoing connections, which could allow a man-in-the-middle attack.

Recommendations For versions prior to 0.4.0, update to version 0.4.0 or later to resolve the issue.

Exploit

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2020-8279

Affected Products

Nextcloud Social

References · 5

• 🔥 https://hackerone.com/reports/915585 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-8279 · Security Note
• https://osv.dev/vulnerability/CVE-2020-8279 · Vendor Advisory
• https://t.me/cibsecurity/16570 · Telegram Post
• https://nextcloud.com/security/advisory/?id=NC-SA-2020-043 · Note