PT-2020-20000 · Nextcloud+1 · Nextcloud Server+1

Published 2020-10-15 · Updated 2022-09-27 · CVE-2020-8173

Positive Technologies (AI Summary)

CVSS v2.0

3.5

Low

Base vector

AV:N/AC:M/Au:S/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions Nextcloud Server version 18.0.4

Description A too small set of random characters being used for encryption allowed decryption in a shorter time than intended.

Recommendations For Nextcloud Server version 18.0.4, update to a version that uses a sufficient set of random characters for encryption to prevent decryption in a shorter time than intended.

Exploit

Fix

Missing Encryption of Sensitive Data

Weakness Enumeration

CWE-311

CWE-310

Related Identifiers

ALT-PU-2020-3060

CVE-2020-8173

Affected Products

Alt Linux

Nextcloud Server

References · 5

• 🔥 https://hackerone.com/reports/852841 · Exploit
• https://osv.dev/vulnerability/CVE-2020-8173 · Vendor Advisory
• https://nextcloud.com/security/advisory/?id=NC-SA-2020-023 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-8173 · Security Note
• https://t.me/cvenotify/5723 · Telegram Post