CVE-2018-14942

HIGHNVD 8.88.8—

8.8

Harmonic NSG 9000 devices allow remote authenticated users to conduct directory traversal attacks, as demonstrated by "POST /PY/EMULATION_GET_FILE" or "POST /PY/EMULATION_EXPORT" with FileName=../../../passwd in the POST data.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 60.6%
KEV: Not listed

Published

August 5, 2018

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://github.com/pudding2/NSG9000/blob/master/exp.txt
af854a3a-2127-422b-91ae-364da2661108https://github.com/pudding2/NSG9000/blob/master/exp.txt

Weakness Classification(1)

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

CWE-22Path Traversal

Data Freshness Timeline

(refreshed 15× in last 7d / 20× 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.

2026-06-06 13:45 UTCepss_batch
2026-06-06 13:45 UTCepss_batch
2026-06-05 22:45 UTCepss_batch
2026-06-05 22:44 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
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 04:16 UTCEG score recompute
2026-05-28 04:16 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2018-14942?

CVE-2018-14942 is a high vulnerability published on August 5, 2018. Harmonic NSG 9000 devices allow remote authenticated users to conduct directory traversal attacks, as demonstrated by "POST /PY/EMULATIONGETFILE" or "POST /PY/EMULATION_EXPORT" with FileName=../../../passwd in the POST data.

When was CVE-2018-14942 disclosed?

CVE-2018-14942 was first published in the National Vulnerability Database on August 5, 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-2018-14942 actively exploited?

CVE-2018-14942 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 60.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-14942?

CVE-2018-14942 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2018-14942?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-14942, 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.

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CVE-2018-14942

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-14942?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)