How severe is CVE-2015-8027?

CVE-2015-8027 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2015-8027 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8027?

CVE-2015-8027 primarily affects Nodejs Node.js. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-8027?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-8027 published?

CVE-2015-8027 was published on 2016-01-02 and last updated on 2026-06-17.

CVE-2015-8027

CVE-2015-8027 is a high-severity vulnerability in Nodejs Node.js with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-17.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-17
Affected product: Nodejs Node.js
Published: 2016-01-02
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2015-8027?: 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.
How severe is CVE-2015-8027?: CVE-2015-8027 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2015-8027 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8027?: CVE-2015-8027 primarily affects Nodejs Node.js. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-8027?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-8027 published?: CVE-2015-8027 was published on 2016-01-02 and last updated on 2026-06-17.

References

Affected products (14)

cpe:2.3:a:nodejs:node.js:0.12.0:*:*:*:*:*:*:*
cpe:2.3:a:nodejs:node.js:0.12.1:*:*:*:*:*:*:*
cpe:2.3:a:nodejs:node.js:0.12.2:*:*:*:*:*:*:*
cpe:2.3:a:nodejs:node.js:0.12.3:*:*:*:*:*:*:*
cpe:2.3:a:nodejs:node.js:0.12.4:*:*:*:*:*:*:*
cpe:2.3:a:nodejs:node.js:0.12.5:*:*:*:*:*:*:*
cpe:2.3:a:nodejs:node.js:0.12.6:*:*:*:*:*:*:*
cpe:2.3:a:nodejs:node.js:0.12.7:*:*:*:*:*:*:*
cpe:2.3:a:nodejs:node.js:0.12.8:*:*:*:*:*:*:*
cpe:2.3:a:nodejs:node.js:4.2.0:*:*:*:*:*:*:*
cpe:2.3:a:nodejs:node.js:4.2.1:*:*:*:*:*:*:*
cpe:2.3:a:nodejs:node.js:4.2.2:*:*:*:*:*:*:*
cpe:2.3:a:nodejs:node.js:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:nodejs:node.js:5.1.0:*:*:*:*:*:*:*

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