CVE-2020-8259
Nextcloud Server Decryption Key Manipulation Vulnerability
Description
Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an attacker to replace the encryption keys.
INFO
Published Date :
Nov. 16, 2020, 1:15 a.m.
Last Modified :
Sept. 27, 2022, 3:46 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.2
Exploitability Score :
2.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-8259.
| URL | Resource |
|---|---|
| https://hackerone.com/reports/732431 | Exploit Issue Tracking Third Party Advisory |
| https://nextcloud.com/security/advisory/?id=NC-SA-2020-041 | Broken Link Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-8259 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-8259 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Sep. 27, 2022
Action Type Old Value New Value Changed Reference Type https://nextcloud.com/security/advisory/?id=NC-SA-2020-041 Vendor Advisory https://nextcloud.com/security/advisory/?id=NC-SA-2020-041 Broken Link, Vendor Advisory Changed CPE Configuration OR *cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:* versions up to (excluding) 20.0.0 OR *cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* versions up to (excluding) 20.0.0 -
Initial Analysis by [email protected]
Dec. 02, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Changed Reference Type https://hackerone.com/reports/732431 No Types Assigned https://hackerone.com/reports/732431 Exploit, Issue Tracking, Third Party Advisory Changed Reference Type https://nextcloud.com/security/advisory/?id=NC-SA-2020-041 No Types Assigned https://nextcloud.com/security/advisory/?id=NC-SA-2020-041 Vendor Advisory Added CWE NIST CWE-522 Added CPE Configuration OR *cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:* versions up to (excluding) 20.0.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-8259 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-8259
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.11 }} 0.02%
score
0.43115
percentile