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CVE-2020-14029: An issue was discovered in Ozeki NG SMS Gateway through 4.17.6

54
This week
HIGH 7.5REMOTEUPGRADE

CVE-2020-14029 is a high-severity flaw (CVSS 7.5) affecting ozeki ng sms gateway. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

  • High severity
  • Public exploit reference
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score7.5 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance1.4% (top 28%)
CISA exploited listNo
WeaknessCWE-611
Published2020-09-18
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: ozeki

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

ozeki ozeki ng sms gateway UPGRADE
Affected: <= 4.17.6
Fixed in: newer than 4.17.6
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy ozeki-ng-sms-gateway || rpm -q ozeki-ng-sms-gateway || ozeki-ng-sms-gateway --version
2. UPGRADE to newer than 4.17.6 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade ozeki-ng-sms-gateway
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade ozeki-ng-sms-gateway
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-14029?

ozeki ng sms gateway: upgrade to newer than 4.17.6. Exact commands for each OS are on this page.

Is CVE-2020-14029 being exploited?

CVE-2020-14029 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-14029 affect?

CVE-2020-14029 affects ozeki ng sms gateway. Severity is high (CVSS 7.5). 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 lo

How urgent is CVE-2020-14029?

Priority 54/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

References

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