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CVE-2020-14031· NVD / CVE Program· CNA mitre

An issue was discovered in Ozeki NG SMS Gateway through 4.17.6.

An issue was discovered in Ozeki NG SMS Gateway through 4.17.6. The outbox functionality of the TXT File module can be used to delete all/most files in a folder. Because the product usually runs as NT AUTHORITY\SYSTEM, the only files that will not be deleted are those currently being run by the system and/or files that have special security attributes (e.g., Windows Defender files).

HighCVSS 7.2 · v3.1—No exploit No fix recorded
Published
Sep 22, 2020
Updated
Jun 16, 2026
EPSS
1.6% · 75th percentile
CWE
—
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Action score

28

Monitor

Low priority for now.

CVSS
28 / 40 · 7.2 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.6%

Affected systems

VendorProduct
ozekiozeki ng sms gateway

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • ozeki ozeki ng sms gatewayup to 4.17.6 inclusive

Same product

ozeki: all records

Other highest-scoring records for the same primary product.

  • CVE-2020-14026CSV Injection (aka Excel Macro Injection or Formula Injection) exists in the Export Of Contacts feature in Ozeki NG SMS Gateway through 4.17
    36Monitor
  • CVE-2020-14022Ozeki NG SMS Gateway 4.17.1 through 4.17.6 does not check the file type when bulk importing new contacts ("Import Contacts" functionality) f
    36Monitor
  • CVE-2020-14025Ozeki NG SMS Gateway through 4.17.6 has multiple CSRF vulnerabilities.
    35Monitor
  • CVE-2020-14029An issue was discovered in Ozeki NG SMS Gateway through 4.17.6.
    30Monitor
  • CVE-2020-14030An issue was discovered in Ozeki NG SMS Gateway through 4.17.6.
    29Monitor
  • CVE-2020-14028An issue was discovered in Ozeki NG SMS Gateway through 4.17.6.
    29Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • Administrator privileges are required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

—

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records