CVE-2019-17640

highpriority · attend · 50EPSS 0.020 · 81 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

2.00% (81st) EPSS

CVSS 7.5 · high

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

In Eclipse Vert.x 3.4.x up to 3.9.4, 4.0.0.milestone1, 4.0.0.milestone2, 4.0.0.milestone3, 4.0.0.milestone4, 4.0.0.milestone5, 4.0.0.Beta1, 4.0.0.Beta2, and 4.0.0.Beta3, StaticHandler doesn't correctly processes back slashes on Windows Operating systems, allowing, escape the webroot folder to the current working directory.

cvss

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

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.19.3criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USprimaryCWE-22USCWE-23USCWE-23US

exploits (1)

Public proof-of-concept and weaponised exploit code.

shoucheng3/vert-x3__vertx-web_CVE-2019-17640_3-9-3shoucheng3/vert-x3__vertx-web_CVE-2019-17640_3-9-3PoC · poc_in_github

affected products (4)

Products and version ranges known to be affected.

The Eclipse Foundation Eclipse Vert.x≤ 3.4.x up to 3.9.4, 4.0.0.milestone1, 4.0.0.milestone2, 4.0.0.milestone3, 4.0.0.milestone4, 4.0.0.milestone5, 4.0.0.Beta1, 4.0.0.Beta2, 4.0.0.Beta3enisa_euvdEU
eclipse vert.x3.4.0 → 3.9.4nvdUScpe:2.3:a:eclipse:vert.x:*:*:*:*:*:*:*:*
eclipse vert.x= 4.0.0nvdUScpe:2.3:a:eclipse:vert.x:*:*:*:*:*:*:*:*
Maven io.vertx:vertx-web3.0.0 → 3.9.4osvUSpkg:maven/io.vertx/vertx-web

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-vjw7-6gfq-6wf5Path Traversal in Eclipse Vert2022-02-10ghsa · osvUS
In Eclipse Vert.x 3.4.x up to 3.9.4, 4.0.0-milestone1, 4.0.0-milestone2, 4.0.0-milestone3, 4.0.0-milestone4, 4.0.0-milestone5, 4.0.0.Beta1, 4.0.0.Beta2, and 4.0.0.Beta3, StaticHandler doesn't correctly processes back slashes on Windows Operating systems, allowing, escape the webroot folder to the current working directory.

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 2020-10-15modified 2026-06-17

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+12524 more

references (19)

External citations — patches, advisories, analysis.

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