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.

Published: 2016-01-02 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-8027 is rated Moderate Risk (57.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.39%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-8027

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-08 1.50% 1.39% -0.11%
2 2025-03-30 4.93% 1.50% -3.43%
3 2025-03-29 — 4.93% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-8027

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2015-8027

OS Trackers for CVE-2015-8027

vendor priority summary link
debian not yet assigned CVE-2015-8027 not yet assigned priority: Debian including 1 source packages (nodejs), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-8027
gentoo normal CVE-2015-8027: 1 GLSA(s) (201612-43), 1 atom(s) (net-libs/nodejs); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-8027
redhat medium — https://access.redhat.com/security/cve/CVE-2015-8027
ubuntu medium CVE-2015-8027 medium priority: Ubuntu including 1 source packages (nodejs), 10 status rows across 10 suites (artful, bionic, precise, trusty, upstream, vivid, wily, xenial, yakkety, zesty): ignored 6, not-affected 3, released 1. https://ubuntu.com/security/CVE-2015-8027

Affected software / configurations for CVE-2015-8027

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

References for CVE-2015-8027

cvelogic Threat Intelligence