CVE-2018-16494

HIGH EPSS 77.4%
Published May 26, 20215y ago · Modified Jun 17, 20262w ago
8.8 CVSS 3.1
High
Find Similar
Published May 26, 2021 5y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
77.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-377
CWE-668

Affected Products 3

VendorProductVersionRange
versa-networksversa_operating_system* <16.1r2s11
versa-networksversa_operating_system*≥20.2.0  –  <20.2.2
versa-networksversa_operating_system*≥21.1.0  –  <21.1.1

References 1

  • hackerone.com https://hackerone.com/reports/1168191
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.