CVE-2017-2388

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2022-05-17. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 4%CVSS: 5.5Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An issue was discovered in certain Apple products. macOS before 10.12.4 is affected. The issue involves the "IOFireWireFamily" component. It allows attackers to cause a denial of service (NULL pointer dereference) via a crafted app.

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
45(Track)
EG Risk 45/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity55% × 45%
Exploitation40% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
4%
EPSS %ILE
88%
KEV
Not listed

Published

April 2, 2017

Last Modified

June 17, 2026

References (6)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 36× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 14:15 UTCEPSS rescore
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  61. 2026-05-22 14:50 UTCGHSA enrichment
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Publicly available exploits

(2 references)

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

  • Exploit-DBEDB-44236
    First seen Aug 16, 2017

    Apple macOS Sierra 10.12.3 - 'IOFireWireFamily-null-deref' FireWire Port Denial of Service

    Open source ↗
  • GitHub PoCbazad/IOFireWireFamily-null-deref
    First seen Aug 4, 2017

    CVE-2017-2388: Null-pointer dereference in IOFireWireFamily.

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2017-2388?
CVE-2017-2388 is a medium vulnerability published on April 2, 2017. An issue was discovered in certain Apple products. macOS before 10.12.4 is affected. The issue involves the "IOFireWireFamily" component. It allows attackers to cause a denial of service (NULL pointer dereference) via a crafted app.
When was CVE-2017-2388 disclosed?
CVE-2017-2388 was first published in the National Vulnerability Database on April 2, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-2388 actively exploited?
CVE-2017-2388 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4% probability of exploitation in the next 30 days, which ranks it in the top 11.7% of all scored CVEs.
What is the CVSS score of CVE-2017-2388?
CVE-2017-2388 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2017-2388?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-2388, 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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