CVE-2018-16494
CVSS V2 Medium 6.5
CVSS V3 High 8.8
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.
Overview
- CVE ID
- CVE-2018-16494
- Assigner
- support@hackerone.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-05-26T19:15:08
- Last Modified Date
- 2021-06-04T15:04:11
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:versa-networks:versa_operating_system:*:*:*:*:*:*:*:* | 1 | OR | 16.1r2s11 | |
| cpe:2.3:o:versa-networks:versa_operating_system:*:*:*:*:*:*:*:* | 1 | OR | 20.2.0 | 20.2.2 |
| cpe:2.3:o:versa-networks:versa_operating_system:*:*:*:*:*:*:*:* | 1 | OR | 21.1.0 | 21.1.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.5
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- 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 Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://hackerone.com/reports/1168191 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-16494 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16494 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:13:36 | Added to TrackCVE | |||
| 2022-12-05 03:02:16 | cve-assignments@hackerone.com | support@hackerone.com | CVE Assigner | updated |
| 2022-12-05 03:02:16 | 2021-05-26T19:15Z | 2021-05-26T19:15:08 | CVE Published Date | updated |
| 2022-12-05 03:02:16 | 2021-06-04T15:04:11 | CVE Modified Date | updated | |
| 2022-12-05 03:02:16 | Analyzed | Vulnerability Status | updated |