CVE-2018-3786

Exp

A command injection vulnerability in egg-scripts <v2.8.1 allows arbitrary shell command execution through a maliciously crafted command line argument.

Published: 2018-08-24 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-3786 is rated High Exploit Risk (90/100): CVSS Critical severity, with high exploitation likelihood (EPSS 12.28%, 96th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.28% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2018-3786

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2018-3786

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 10.01% 12.28% +2.28%
2 2026-03-10 10.47% 10.01% -0.47%
3 2026-03-04 — 10.47% —

Full EPSS history (46 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-3786

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2018-3786

GitHub Security Advisory for CVE-2018-3786

GHSA-c9j3-wqph-5xx9 · Severity: critical · Ecosystem: npm — Command Injection in egg-scripts

Affected software / configurations for CVE-2018-3786

Vendor Product Version Raw CPE
eggjs egg-scripts < 2.8.1 cpe:2.3:a:eggjs:egg-scripts:*:*:*:*:*:node.js:*:*

References for CVE-2018-3786

URL Tags
https://github.com/eggjs/egg-scripts/blob/2.8.1/History.md Release Notes Third Party Advisory
https://github.com/eggjs/egg-scripts/pull/26 Patch Third Party Advisory
https://hackerone.com/reports/388936 Exploit Patch Third Party Advisory
cvelogic Threat Intelligence