Insufficient Server-Side Encryption Key Protection in Nextcloud Server
CVE-2020-8259

8.1HIGH

Key Information:

Vendor

Nextcloud
Status
Nextcloud Server
Vendor
CVE Published:
16 November 2020

What is CVE-2020-8259?

Nextcloud Server version 19.0.1 is affected by a security issue wherein insufficient protection of server-side encryption keys enables an attacker to substitute these keys. This flaw could lead to unauthorized access to sensitive data as the integrity of encrypted information relies on the security of these keys. Proper measures must be taken to mitigate risks associated with this vulnerability to safeguard user data.

Affected Version(s)

Nextcloud Server Fixed in 20.0.0

References

https://hackerone.com/reports/732431
x_refsource_MISC
https://nextcloud.com/security/advisory/?id=NC-SA-2020-041
x_refsource_MISC

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.