7.5

CVE-2018-3711: fastify

CVSS: 7.5v3.1HighModified
AliasesGHSA-mq6c-fh97-4gwv
Published 07-06-2018Last modified 16-09-2024

Vulnerability summary

CVE-2018-3711 is a high (CVSS 7.5) vulnerability in fastify. EPSS estimates a 1.77% chance of exploitation in the next 30 days, higher than 77.7% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.77%
0%100%
Low · -0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github, reference

Timeline

  1. 07-06-2018
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

Fastify node module before 0.38.0 is vulnerable to a denial-of-service attack by sending a request with "Content-Type: application/json" and a very large payload.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.77%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

-0.03 pp

From 1.80% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.77%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • githubUnverified

    Fastify

    Maturity: poc

  • referenceUnverified

    Exploit Reference (hackerone.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Fastify1 product
Hackerone1 product
Npm1 product
  • fastify< 0.38.0

3 vendors · 3 products

References

6 links