CVE-2019-17640
Path Traversal in Eclipse Vert
CVE-2019-17640 is a critical vulnerability (CVSS 9.8) in Eclipse Vert.x, published October 15, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.00%, the 81st percentile. Fixed in io.vertx:vertx-web 3.9.4.
- Severity
- 9.8 CriticalCVSS 3.1, NVD
- Exploit chance
- 2.00%EPSS, 81st percentile
- Exploitation
- None known1 public exploit
- Fixed in
3.9.4io.vertx:vertx-web +1 more
Description
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
io.vertx:vertx-webMaven | 3.0.0 up to 3.9.4 | 3.9.4 |
io.vertx:vertx-webMaven | 3.0.0 up to 3.9.4, plus listed versions 3.1.03.2.03.2.13.3.03.3.0.CR1 Show 37 moreShow less3.3.0.CR23.3.13.3.23.3.33.4.03.4.0.Beta13.4.13.4.23.5.03.5.0.Beta13.5.13.5.23.5.2.CR13.5.2.CR23.5.2.CR33.5.33.5.3.CR13.5.43.6.03.6.0.CR13.6.0.CR23.6.13.6.23.6.33.7.03.7.13.8.03.8.13.8.23.8.33.8.3-013.8.43.8.53.9.03.9.13.9.23.9.3 | 3.9.4 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | shoucheng3/vert-x3__vertx-web_CVE-2019-17640_3-9-3 | 2025-08-20 |
What each source reports
NVD Score used 9.8
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.
- Record
CVE-2019-17640- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-23, CWE-22
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2019-17640- Weakness
- CWE-23
- Updated
- 2026-11-02
EUVDEUVD-2022-1208No score
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.
- Record
EUVD-2022-1208- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vjw7-6gfq-6wf5 9.8
Path Traversal in Eclipse Vert
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.
- Record
GHSA-vjw7-6gfq-6wf5- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22, CWE-23
- Updated
- 2026-11-02
OSV 9.8
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.
- Record
CVE-2019-17640- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-vjw7-6gfq-6wf5 9.8
Path Traversal in Eclipse Vert
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.
- Record
GHSA-vjw7-6gfq-6wf5- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22, CWE-23
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
bugs.eclipse.org/bugs/show_bug.cgi?id=567416
lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E
lists.apache.org/thread.html/r8383b5e7344a8b872e430ad72241b84b83e9701d275c602cfe34a941%40%3Ccommits.servicecomb.apache.org%3E
lists.apache.org/thread.html/rfd0ebf8387cfd0b959d1e218797e709793cce51a5ea2f84d0976f47d%40%3Ccommits.pulsar.apache.org%3E
lists.apache.org/thread.html/r8d863b148efe778ce5f8f961d0cafeda399e681d3f0656233b4c5511%40%3Ccommits.pulsar.apache.org%3E
lists.apache.org/thread.html/r591f6932560c8c46cee87415afed92924a982189fea7f7c9096f8e33%40%3Ccommits.pulsar.apache.org%3E
Show 9 moreShow less
nvd.nist.gov/vuln/detail/CVE-2019-17640
github.com/vert-x3/vertx-web/commit/b12f7c4c6576a8adc3f683b2899de4b0e7d099e4
lists.apache.org/thread.html/r8383b5e7344a8b872e430ad72241b84b83e9701d275c602cfe34a941@%3Ccommits.servicecomb.apache.org%3E
lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26@%3Ccommits.pulsar.apache.org%3E
mvnrepository.com/artifact/io.vertx/vertx-web
lists.apache.org/thread.html/rfd0ebf8387cfd0b959d1e218797e709793cce51a5ea2f84d0976f47d@%3Ccommits.pulsar.apache.org%3E
lists.apache.org/thread.html/r8d863b148efe778ce5f8f961d0cafeda399e681d3f0656233b4c5511@%3Ccommits.pulsar.apache.org%3E
lists.apache.org/thread.html/r591f6932560c8c46cee87415afed92924a982189fea7f7c9096f8e33@%3Ccommits.pulsar.apache.org%3E
github.com/advisories/GHSA-vjw7-6gfq-6wf5