CVE-2020-15230

mediumpriority · track · 27EPSS 0.015 · 75 %ileEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.53% (75th) EPSS
CVSS 4 · medium
Is it mine?
3 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

Vapor is a web framework for Swift. In Vapor before version 4.29.4, Attackers can access data at arbitrary filesystem paths on the same host as an application. Only applications using FileMiddleware are affected. This is fixed in version 4.29.4.

01

cvss

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

8.5
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4–8.5

v2.04mediumAV:N/AC:L/Au:S/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 8 · impact 2.9
v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6
v3.18.5highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:Nsecondary · ENISA EU
v3.18.5highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:Nsecondary · security-advisories@github.comexploitability 3.1 · impact 4.7
v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · OSV
v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

03

affected products (3)

Products and version ranges known to be affected.

04

advisories (1)

Vendor and ecosystem advisories describing this.

  • GHSA-vcvg-xgr8-p5gqArbitrary file read using percent-encoded relative paths in FileMiddleware2023-06-09ghsa · osvUS

    ### Impact Attackers can access data at arbitrary filesystem paths on the same host as an application using `FileMiddleware`. ### Patches Version [4.29.4](https://github.com/vapor/vapor/releases/tag/4.29.4) ### Workarounds Upgrade to 4.24.4 or later, or disable `FileMiddleware`. ### References * Introduced in https://github.com/vapor/vapor/pull/2223 * Fixed by https://github.com/vapor/vapor/pull/2500 ### For more information If you have any questions or comments about this advisory: * Open [an issue](https://github.com/vapor/vapor/issues) * Email us at [security@vapor.codes](mailto:security@vapor.codes)

05

also known as (3)

Other names and identifiers for this entity.

06

sources

Which sources assert this record, and when.

published 2020-10-02modified 2026-06-17
07

references (11)

External citations — patches, advisories, analysis.

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