7.5

CVE-2022-39288: fastify

CVSS: 7.5v3.1HighModified
AliasesGHSA-455w-c45v-86rg
Published 10-10-2022Last modified 23-04-2025
Open JSON

Vulnerability summary

CVE-2022-39288 is a high (CVSS 7.5) vulnerability in fastify. EPSS estimates a 59.24% chance of exploitation in the next 30 days, higher than 99.1% of scored vulnerabilities.

Overall risk
42/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
59.24%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-10-2022
    PublishedVulnerability first disclosed.
  2. 23-04-2025
    Last modifiedVulnerability information updated.

Description

fastify is a fast and low overhead web framework, for Node.js. Affected versions of fastify are subject to a denial of service via malicious use of the Content-Type header. An attacker can send an invalid Content-Type header that can cause the application to crash. This issue has been addressed in commit `fbb07e8d` and will be included in release version 4.8.1. Users are advised to upgrade. Users unable to upgrade may manually filter out http content with malicious Content-Type headers.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

59.24%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 59.24% on 19-09-2026

19-09-202619-10-2026
EPSS score
59.24%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Fastify1 product
  • fastify≥ 4.0.0, < 4.8.1 | < 4.8.1
Npm1 product
  • fastify≥ 4.0.0, < 4.8.1

2 vendors · 2 products

References

6 links