CVE-2020-14021
An issue was discovered in Ozeki NG SMS Gateway through 4.17.6. The ASP.net SMS module can be...
An issue was discovered in Ozeki NG SMS Gateway through 4.17.6. The ASP.net SMS module can be used to read and validate the source code of ASP files. By altering the path, it can be made to read any file on the Operating System, usually with NT AUTHORITY\SYSTEM privileges.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in Ozeki NG SMS Gateway through 4.17.6. The ASP.net SMS module can be used to read and validate the source code of ASP files. By altering the path, it can be made to read any file on the Operating System, usually with NT AUTHORITY\SYSTEM privileges.
- Record
CVE-2020-14021- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
An issue was discovered in Ozeki NG SMS Gateway through 4.17.6. The ASP.net SMS module can be used to read and validate the source code of ASP files. By altering the path, it can be made to read any file on the Operating System, usually with NT AUTHORITY\SYSTEM privileges.
- Record
CVE-2020-14021- Updated
- 2026-11-02
EUVDEUVD-2020-6187 No score
An issue was discovered in Ozeki NG SMS Gateway through 4.17.6. The ASP.net SMS module can be used to read and validate the source code of ASP files. By altering the path, it can be made to read any file on the Operating System, usually with NT AUTHORITY\SYSTEM privileges.
- Record
EUVD-2020-6187- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4p72-53xh-hr8g No score
An issue was discovered in Ozeki NG SMS Gateway through 4.17.6. The ASP.net SMS module can be...
An issue was discovered in Ozeki NG SMS Gateway through 4.17.6. The ASP.net SMS module can be used to read and validate the source code of ASP files. By altering the path, it can be made to read any file on the Operating System, usually with NT AUTHORITY\SYSTEM privileges.
- Record
GHSA-4p72-53xh-hr8g- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-14021 is a medium vulnerability (CVSS 4.9) in Ozeki Ng Sms Gateway, published September 18, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.15%, the 66th percentile. No source names a fixed version.
References
ozeki.hu/index.php?owpn=231
github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-14021-Arbitrary%20File%20Read-Ozeki%20SMS%20Gateway
nvd.nist.gov/vuln/detail/CVE-2020-14021