CVE-2020-8150

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

Affected

Nextcloud Server

CVSS v3.1 NVD

4.1 MEDIUMCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0 NVD

1.9 LOWAV:L/AC:M/Au:N/C:N/I:P/A:N

EPSS

0.29% chance of exploitation in the next 30 days, 20th percentile

Published

2020-11-09

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://hackerone.com/reports/742588

Security advisories

• https://nextcloud.com/security/advisory/?id=NC-SA-2020-039
• http://seclists.org/fulldisclosure/2020/Dec/55
• http://seclists.org/fulldisclosure/2020/Dec/57
• http://seclists.org/fulldisclosure/2020/Dec/58

References

• CVE Record
• NVD entry