CVE-2020-8192

mediumpriority · track · 26EPSS 0.012 · 67 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.16% (67th) EPSS

CVSS 4 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

A denial of service vulnerability exists in Fastify v2.14.1 and v3.0.0-rc.4 that allows a malicious user to trigger resource exhaustion (when the allErrors option is used) with specially crafted schemas.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04mediumAV:N/AC:L/Au:S/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8 · impact 2.9

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USprimaryCWE-400US

affected products (4)

Products and version ranges known to be affected.

n/a fastify≤ Fixed in v2.15.1 and v3.0.0-rc.5. v1 not affected.enisa_euvdEU
fastify fastify= 2.14.1nvdUScpe:2.3:a:fastify:fastify:*:*:*:*:*:*:*:*
fastify fastify= 3.0.0nvdUScpe:2.3:a:fastify:fastify:*:*:*:*:*:*:*:*
npm fastify< 2.15.1osvUSpkg:npm/fastify

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-xw5p-hw6r-2j98Denial of service in fastify2020-08-05ghsa · osvUS
A denial of service vulnerability exists in Fastify v2.14.1 and v3.0.0-rc.4 that allows a malicious user to trigger resource exhaustion (when the allErrors option is used) with specially crafted schemas.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2020-07-30modified 2026-06-17

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+9607 more

references (5)

External citations — patches, advisories, analysis.

https://hackerone.com/reports/903521 cnnvd
https://nvd.nist.gov/vuln/detail/CVE-2020-8192 cnnvd
https://www.npmjs.com/package/fastifyPatchcnnvd
https://hackerone.com/reports/903521 enisa_euvd
https://hackerone.com/reports/903521ExploitThird Party Advisorynvd

scry

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