CVE-2021-3374

medium

Description

Directory traversal in RStudio Shiny Server before 1.5.16 allows attackers to read the application source code, involving an encoded slash.

References

https://github.com/colemanjp/shinyserver-directory-traversal-source-code-leak

https://blog.rstudio.com/2021/01/13/shiny-server-1-5-16-update/

Details

Source: Mitre, NVD

Published: 2021-04-02

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.14252