CVE-2015-8027

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-17. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 5%CVSS: 7.5Exploit: None knownExposed: 0

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

Node.js 0.12.x before 0.12.9, 4.x before 4.2.3, and 5.x before 5.1.1 does not ensure the availability of a parser for each HTTP socket, which allows remote attackers to cause a denial of service (uncaughtException and service outage) via a pipelined HTTP request.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity75% × 45%
Exploitation5% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
5%
EPSS %ILE
92%
KEV
Not listed

Published

January 2, 2016

Last Modified

June 17, 2026

References (14)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 37× 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. 2026-07-26 14:50 UTCEPSS rescore
  2. 2026-07-25 14:13 UTCEPSS rescore
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  4. 2026-07-23 14:14 UTCEPSS rescore
  5. 2026-07-23 01:19 UTCEG score recompute
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  7. 2026-07-22 21:59 UTCEG score recompute
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  1. 2026-07-09 19:05 UTCEPSS rescore
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  19. 2026-06-23 18:00 UTCOSV refresh
  20. 2026-06-21 14:54 UTCEPSS rescore
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  42. 2026-06-07 00:59 UTCOSV refresh
  43. 2026-06-06 13:45 UTCEPSS rescore
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  63. 2026-05-24 16:43 UTCEPSS rescore
  64. 2026-05-22 22:02 UTCEG score recompute
  65. 2026-05-22 22:02 UTCGHSA enrichment
  66. 2026-05-22 21:15 UTCEPSS rescore
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  73. 2026-05-19 14:03 UTCOSV refresh
  74. 2026-05-18 21:30 UTCEPSS rescore
  75. 2026-05-18 21:30 UTCEPSS rescore

Frequently asked(5)

What is CVE-2015-8027?
CVE-2015-8027 is a high vulnerability published on January 2, 2016. Node.js 0.12.x before 0.12.9, 4.x before 4.2.3, and 5.x before 5.1.1 does not ensure the availability of a parser for each HTTP socket, which allows remote attackers to cause a denial of service (uncaughtException and service outage) via a pipelined HTTP request.
When was CVE-2015-8027 disclosed?
CVE-2015-8027 was first published in the National Vulnerability Database on January 2, 2016, 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-2015-8027 actively exploited?
CVE-2015-8027 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5% probability of exploitation in the next 30 days, which ranks it in the top 8.2% of all scored CVEs.
What is the CVSS score of CVE-2015-8027?
CVE-2015-8027 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2015-8027?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-8027, 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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