CVE-2020-8150

medium

Description

A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files.

References

Advisories
More

http://seclists.org/fulldisclosure/2020/Dec/58

http://seclists.org/fulldisclosure/2020/Dec/57

http://seclists.org/fulldisclosure/2020/Dec/55

https://nextcloud.com/security/advisory/?id=NC-SA-2020-039

https://hackerone.com/reports/742588

Details

Source: Mitre, NVD

Published: 2020-11-09

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 1.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 4.1

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

Severity: Medium

EPSS

EPSS: 0.00036