CVE-2018-16494
Versa Server Unvalidated File Permissions Vulnerability
Description
In VOS and overly permissive "umask" may allow for authorized users of the server to gain unauthorized access through insecure file permissions that can result in an arbitrary read, write, or execution of newly created files and directories. Insecure umask setting was present throughout the Versa servers.
INFO
Published Date :
May 26, 2021, 7:15 p.m.
Last Modified :
June 4, 2021, 3:04 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
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-2018-16494.
| URL | Resource |
|---|---|
| https://hackerone.com/reports/1168191 | Third Party 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-2018-16494 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-16494 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 -
Initial Analysis by [email protected]
Jun. 04, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://hackerone.com/reports/1168191 No Types Assigned https://hackerone.com/reports/1168191 Third Party Advisory Added CWE NIST CWE-668 Added CPE Configuration OR *cpe:2.3:o:versa-networks:versa_operating_system:*:*:*:*:*:*:*:* versions up to (excluding) 16.1r2s11 *cpe:2.3:o:versa-networks:versa_operating_system:*:*:*:*:*:*:*:* versions from (including) 20.2.0 up to (excluding) 20.2.2 *cpe:2.3:o:versa-networks:versa_operating_system:*:*:*:*:*:*:*:* versions from (including) 21.1.0 up to (excluding) 21.1.1
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-16494 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-2018-16494
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.12 }} 0.00%
score
0.43553
percentile