CVE-2020-14021
CVE-2020-14021 is a medium-severity vulnerability in Ozeki Ozeki Ng Sms Gateway with a CVSS 3.x base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 4.9)
- CVSS v2: 4.0
- EPSS exploit prediction: 1% (63rd percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Ozeki Ozeki Ng Sms Gateway
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2020-14021?
- 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.
- How severe is CVE-2020-14021?
- CVE-2020-14021 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2020-14021 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-14021?
- CVE-2020-14021 affects Ozeki Ozeki Ng Sms Gateway. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-14021?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-14021 published?
- CVE-2020-14021 was published on 2020-09-18 and last updated on 2026-06-17.
References
- https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-14021-Arbitrary%20File%20Read-Ozeki%20SMS%20Gateway
- https://www.ozeki.hu/index.php?ow_page_number=1017&downloadaction=email&download_product_id=1&os=windows&dpath=%2Fattachments%2F702%2Finstallwindows_1590575794_OzekiNG-SMS-Gateway_4.17.6.zip&dname=Ozeki+NG+SMS+Gateway+v4.17.6&dsize=+%2817.8+MB%29&platform=Windows
- https://www.ozeki.hu/index.php?owpn=231
Affected products (1)
- cpe:2.3:a:ozeki:ozeki_ng_sms_gateway:*:*:*:*:*:*:*:*
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