Nextcloud Social vulnerabilities

2 CVEs affecting Nextcloud Social, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2020-8279, published 2020-11-19.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2020-8278, published 2020-11-19. Medium severity, CVSS 5.3. EPSS: 1% chance of exploitation in the next 30 days. Improper access control in Nextcloud Social app version 0.3.1 allowed to read posts of any user.
• CVE-2020-8279, published 2020-11-19. High severity, CVSS 7.4. EPSS: 0.6% chance of exploitation in the next 30 days. Missing validation of server certificates for out-going connections in Nextcloud Social < 0.4.0 allowed a man-in-the-middle attack.