How severe is CVE-2018-14933?

CVE-2018-14933 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-14933 being actively exploited?

Yes. CVE-2018-14933 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-12-18, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2018-14933?

CVE-2018-14933 affects Nuuo Nvrmini Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-14933?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2018-14933 have an EU (EUVD) identifier?

Yes. CVE-2018-14933 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-6815. It is also flagged as exploited in the EUVD (since 2024-12-18).

When was CVE-2018-14933 published?

CVE-2018-14933 was published on 2018-08-04 and last updated on 2026-06-17.

CVE-2018-14933

CVE-2018-14933 is a critical-severity vulnerability in Nuuo Nvrmini Firmware with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2024-12-18). The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 94% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2024-12-18)
EU (EUVD) id: EUVD-2018-6815
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2024-12-18)
Weakness: CWE-78
Affected product: Nuuo Nvrmini Firmware
Published: 2018-08-04
Last modified: 2026-06-17

Description

upgrade_handle.php on NUUO NVRmini devices allows Remote Command Execution via shell metacharacters in the uploaddir parameter for a writeuploaddir command.

Frequently asked questions

What is CVE-2018-14933?: upgrade_handle.php on NUUO NVRmini devices allows Remote Command Execution via shell metacharacters in the uploaddir parameter for a writeuploaddir command.
How severe is CVE-2018-14933?: CVE-2018-14933 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-14933 being actively exploited?: Yes. CVE-2018-14933 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-12-18, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2018-14933?: CVE-2018-14933 affects Nuuo Nvrmini Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-14933?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2018-14933 have an EU (EUVD) identifier?: Yes. CVE-2018-14933 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-6815. It is also flagged as exploited in the EUVD (since 2024-12-18).
When was CVE-2018-14933 published?: CVE-2018-14933 was published on 2018-08-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:nuuo:nvrmini_firmware:2016:*:*:*:*:*:*:*

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