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CVE-2021-20719

RFNTPS firmware versions System_01000004 and earlier, and Web_01000004 and earlier allow an...

6.8 Medium

CVE-2021-20719 is a medium vulnerability (CVSS 6.8) in Nippon Antenna Co.,ltd. Rfntps, published May 20, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.44%, the 38th percentile. No source names a fixed version.

What does this mean?
Severity
6.8 MediumCVSS 3.1, NVD
Exploit chance
0.44%EPSS, 38th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

RFNTPS firmware versions System_01000004 and earlier, and Web_01000004 and earlier allow an attacker on the same network segment to execute arbitrary OS commands with a root privilege via unspecified vectors.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.44%Down 0.2 points since May 20, 2021
90%50%10%1%

Affected products

What each source reports

NVD Score used6.8

RFNTPS firmware versions System_01000004 and earlier, and Web_01000004 and earlier allow an attacker on the same network segment to execute arbitrary OS commands with a root privilege via unspecified vectors.

Record
CVE-2021-20719
CVSS 3.1
6.8 MediumCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.7 HighAV:A/AC:L/Au:S/C:C/I:C/A:C
Weakness
CWE-78
Updated
2026-11-02
CVE ListNo score

RFNTPS firmware versions System_01000004 and earlier, and Web_01000004 and earlier allow an attacker on the same network segment to execute arbitrary OS commands with a root privilege via unspecified vectors.

Record
CVE-2021-20719
Updated
2026-11-02
EUVDEUVD-2021-8133No score

RFNTPS firmware versions System_01000004 and earlier, and Web_01000004 and earlier allow an attacker on the same network segment to execute arbitrary OS commands with a root privilege via unspecified vectors.

Record
EUVD-2021-8133
Updated
2026-11-03
GitHub AdvisoriesGHSA-7g2h-82xr-x8jwNo score

RFNTPS firmware versions System_01000004 and earlier, and Web_01000004 and earlier allow an...

RFNTPS firmware versions System_01000004 and earlier, and Web_01000004 and earlier allow an attacker on the same network segment to execute arbitrary OS commands with a root privilege via unspecified vectors.

Record
GHSA-7g2h-82xr-x8jw
Weakness
CWE-78
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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