How severe is CVE-2020-14029?

CVE-2020-14029 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-14029 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14029?

CVE-2020-14029 affects Ozeki Ozeki Ng Sms Gateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-14029?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-14029 published?

CVE-2020-14029 was published on 2020-09-18 and last updated on 2026-06-17.

CVE-2020-14029

CVE-2020-14029 is a high-severity vulnerability in Ozeki Ozeki Ng Sms Gateway with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-611.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Ozeki Ozeki Ng Sms Gateway
Published: 2020-09-18
Last modified: 2026-06-17

Description

An issue was discovered in Ozeki NG SMS Gateway through 4.17.6. The RSS To SMS module processes XML files in an unsafe manner. This opens the application to an XML External Entity attack that can be used to perform SSRF or read arbitrary local files.

Frequently asked questions

What is CVE-2020-14029?: An issue was discovered in Ozeki NG SMS Gateway through 4.17.6. The RSS To SMS module processes XML files in an unsafe manner. This opens the application to an XML External Entity attack that can be used to perform SSRF or read arbitrary local files.
How severe is CVE-2020-14029?: CVE-2020-14029 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-14029 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14029?: CVE-2020-14029 affects Ozeki Ozeki Ng Sms Gateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-14029?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-14029 published?: CVE-2020-14029 was published on 2020-09-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ozeki:ozeki_ng_sms_gateway:*:*:*:*:*:*:*:*

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CVE-2018-1000837 — Critical (CVSS 10.0): UML Designer version <= 8.0.0 contains a XML External Entity (XXE) vulnerability in XML parser for plugins that can…
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