CVE-2017-3971

HIGHNVD 8.2

8.2

Cryptanalysis vulnerability in the web interface in McAfee Network Security Management (NSM) before 8.2.7.42.2 allows attackers to view confidential information via insecure use of RC4 encryption cyphers.

CVSS v3: 8.2
EG Score: —
EPSS: 20.7%
KEV: Not listed

Published

April 4, 2018

Last Modified

November 21, 2024

References (2)

trellixpsirt@trellixhttps://kc.mcafee.com/corporate/index?page=content&id=SB10192
af854a3a-2127-422b-91ae-364da2661108https://kc.mcafee.com/corporate/index?page=content&id=SB10192

Weakness Classification(1)

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

CWE-326Inadequate Encryption Strength

Data Freshness Timeline

(refreshed 6× in last 7d / 6× 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.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2017-3971?

CVE-2017-3971 is a high vulnerability published on April 4, 2018. Cryptanalysis vulnerability in the web interface in McAfee Network Security Management (NSM) before 8.2.7.42.2 allows attackers to view confidential information via insecure use of RC4 encryption cyphers.

When was CVE-2017-3971 disclosed?

CVE-2017-3971 was first published in the National Vulnerability Database on April 4, 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-2017-3971 actively exploited?

CVE-2017-3971 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2017-3971?

CVE-2017-3971 has a CVSS v3 base score of 8.2 (NVD).

How do I remediate CVE-2017-3971?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-3971, 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

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CVE-2017-3971

📅 Published

🔄 Last Modified

🔗 References (2)