CVE-2020-14021 json
An issue was discovered in Ozeki NG SMS Gateway through 4.17.6.
published 2020-09-18 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-6187
- cvss
- 4.9
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
1.15% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-14021-Arbitrary%20File%20Read-Ozeki%20SMS%20Gateway referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
References
-
github.com
/DrunkenShells/Disclosures/tree/master/CVE-2020-14021-Arbitrary%20File%20Read-Ozeki%20SMS%20Gateway
exploit, third-party-advisory
-
ozeki.hu
/index.php?owpn=231
vendor-advisory
-
ozeki.hu
/index.php?ow_page_number=1017&downloadaction=email&download_product_id=1&os=windows&dpath=%2Fattachments%2F70
release-notes, vendor-advisory
Sources
- CVE List CVE-2020-14021
- NVD CVE-2020-14021
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.