Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2020-11-09T15:15:13.443

Last Modified

2024-11-21T05:38:23.413

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.1 (MEDIUM)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

3.4

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-310
Type: Primary
CWE-311

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	nextcloud	nextcloud_server	< 19.0.2	Yes

References

http://seclists.org/fulldisclosure/2020/Dec/55 Mailing List, Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2020/Dec/57 Mailing List, Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2020/Dec/58 Mailing List, Third Party Advisory ([email protected])
https://hackerone.com/reports/742588 Exploit, Third Party Advisory ([email protected])
https://nextcloud.com/security/advisory/?id=NC-SA-2020-039 Vendor Advisory ([email protected])
http://seclists.org/fulldisclosure/2020/Dec/55 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2020/Dec/57 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2020/Dec/58 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/742588 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://nextcloud.com/security/advisory/?id=NC-SA-2020-039 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)