CVE-2017-14849

Node.js 8.5.0 before 8.6.0 allows remote attackers to access unintended files, because a change to ".." handling was incompatible with the pathname validation used by unspecified community modules.

Published: 2017-09-28 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-14849 is rated High Risk (66.4/100): CVSS High severity, with high exploitation likelihood (EPSS 90.23%, 100th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.50% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize 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-2017-14849

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 2026-03-04 88.73% 90.23% +1.50%
2 2026-03-01 90.23% 88.73% -1.50%
3 2026-02-04 — 90.23% —

Full EPSS history (54 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-14849

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:H/I:N/A:N 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:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N 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:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2017-14849

OS Trackers for CVE-2017-14849

vendor priority summary link
debian unimportant CVE-2017-14849 unimportant 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-2017-14849
ubuntu medium CVE-2017-14849 medium priority: Ubuntu including 1 source packages (nodejs), 4 status rows across 4 suites (trusty, upstream, xenial, zesty): not-affected 3, released 1. https://ubuntu.com/security/CVE-2017-14849

Affected software / configurations for CVE-2017-14849

Vendor Product Version Raw CPE
nodejs node.js 8.5.0 cpe:2.3:a:nodejs:node.js:8.5.0:*:*:*:*:*:*:*

References for CVE-2017-14849

cvelogic Threat Intelligence