CVE-2018-11523

CRITICALNVD 9.89.8—Trending — 3 sources updated this weekElevated

9.8

upload.php on NUUO NVRmini 2 devices allows Arbitrary File Upload, such as upload of .php files.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 95.8%
KEV: Not listed

Published

May 29, 2018

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated May 29, 2026

🔬 Proof of concept available. No patch confirmed yet.

generic🟡 PoC Available

NUUO NVRmini2 / NVRsolo - Arbitrary File Upload - Hardware webapps Exploit

https://www.exploit-db.com/exploits/44794/

generic

[CVE-2018-11523] NUUO NVRmini2 / NVRsolo Arbitrary File Upload Vulnerability · Issue #1 · unh3x/just4cve · GitHub

https://github.com/unh3x/just4cve/issues/1

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-434Unrestricted Upload of File with Dangerous Type

Data Freshness Timeline

(refreshed 12× in last 7d / 16× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 07:46 UTCEG score recompute
2026-05-28 07:46 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-44794
First seen May 29, 2018
NUUO NVRmini2 / NVRsolo - Arbitrary File Upload
Open source ↗

Frequently asked(5)

What is CVE-2018-11523?

CVE-2018-11523 is a critical vulnerability published on May 29, 2018. upload.php on NUUO NVRmini 2 devices allows Arbitrary File Upload, such as upload of .php files.

When was CVE-2018-11523 disclosed?

CVE-2018-11523 was first published in the National Vulnerability Database on May 29, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-11523 actively exploited?

CVE-2018-11523 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-11523?

CVE-2018-11523 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2018-11523?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-11523, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-11523

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Is Your Infrastructure Affected by CVE-2018-11523?

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CVE-2018-11523

CRITICALNVD 9.89.8—Trending — 3 sources updated this weekElevated

Frequently asked(5)

What is CVE-2018-11523?

CVE-2018-11523 is a critical vulnerability published on May 29, 2018. upload.php on NUUO NVRmini 2 devices allows Arbitrary File Upload, such as upload of .php files.

When was CVE-2018-11523 disclosed?

Is CVE-2018-11523 actively exploited?

What is the CVSS score of CVE-2018-11523?

CVE-2018-11523 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2018-11523?

CVE-2018-11523

📅 Published

🔄 Last Modified

📋 Advisory Details (2)

NUUO NVRmini2 / NVRsolo - Arbitrary File Upload - Hardware webapps Exploit

[CVE-2018-11523] NUUO NVRmini2 / NVRsolo Arbitrary File Upload Vulnerability · Issue #1 · unh3x/just4cve · GitHub

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-11523?

CVE-2018-11523

📅 Published

🔄 Last Modified

📋 Advisory Details (2)

NUUO NVRmini2 / NVRsolo - Arbitrary File Upload - Hardware webapps Exploit

[CVE-2018-11523] NUUO NVRmini2 / NVRsolo Arbitrary File Upload Vulnerability · Issue #1 · unh3x/just4cve · GitHub

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-11523?

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