CVE-2017-18214

The moment module before 2.19.3 for Node.js is prone to a regular expression denial of service via a crafted date string, a different vulnerability than CVE-2016-4055.

Published: 2018-03-04 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-18214 is rated Moderate Risk (64.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.67%). EPSS rose +3.44% over the last day, indicating growing attacker interest. 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-2017-18214

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 2026-06-15 0.23% 3.67% +3.44%
2 2026-05-24 0.32% 0.23% -0.09%
3 2026-04-16 — 0.32% —

Full EPSS history (32 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-18214

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/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-2017-18214

GitHub Security Advisory for CVE-2017-18214

GHSA-446m-mv8f-q348 · Severity: high · Ecosystem: npm — Regular Expression Denial of Service in moment

OS Trackers for CVE-2017-18214

vendor priority summary link
debian unimportant CVE-2017-18214 unimportant priority: Debian including 1 source packages (node-moment), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2017-18214
redhat medium — https://access.redhat.com/security/cve/CVE-2017-18214
ubuntu low CVE-2017-18214 low priority: Ubuntu including 1 source packages (node-moment), 13 status rows across 13 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, trusty, upstream, xenial): not-affected 9, released 2, DNE 1, ignored 1. https://ubuntu.com/security/CVE-2017-18214

Affected software / configurations for CVE-2017-18214

Vendor Product Version Raw CPE
momentjs moment <= 2.19.2 cpe:2.3:a:momentjs:moment:*:*:*:*:*:node.js:*:*
tenable nessus <= 8.2.3 cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:*

References for CVE-2017-18214

URL Tags
https://github.com/moment/moment/issues/4163 Issue Tracking Third Party Advisory
https://nodesecurity.io/advisories/532 Not Applicable URL Repurposed
https://www.tenable.com/security/tns-2019-02 Patch Third Party Advisory
cvelogic Threat Intelligence