Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2018-21036

25
FAUCET Score

CVE-2018-21036 describes a denial-of-service vulnerability in Sails.js versions prior to v1.0.0-46, specifically within the sails-hook-sockets component. An attacker can trigger this by sending a single WebSocket request with an empty pathname, which is not properly handled. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with low attack complexity, requiring no privileges or user interaction, and resulting in a complete loss of availability. There is currently no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.0-46CPE matchmatch criteria
cpe:2.3:a:sailsjs:sails:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.77%
Probability of exploitation in next 30 days
EPSS Percentile
75.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0177 is in the 59th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: sails-hook-socketsFixed in: 1.5.5

Vendor Advisories (1)

npmGHSA-f7f4-hqp2-7prchigh

Improper Input Validation in sails-hook-sockets

Jul 24, 2020

References

github.com / balderdashy/sails/blob/56f8276f6501a144a03d1f0f28df4ccdb4ad82e2/CHANGELOG.md
Third Party Advisory
github.com / balderdashy/sails-hook-sockets/commit/0533a4864b1920fd8fbb5287bc0889193c5faf44
PatchThird Party Advisory
github.com / balderdashy/sails-hook-sockets/commit/ff02114eaec090ee51db48435cc32d451662606e
PatchThird Party Advisory
openwall.com / lists/oss-security/2020/07/19/1
Mailing ListThird Party Advisory